1 -1 Argentina time.sinectis.com.ar 2 Sinectis S.A., Buenos Aires (Argentina) 3432'S, 5820'W Argentina Open Access, please send a message to notify. timekeeper@sinectis.com.ar NTP V3 Linux i686 0 -1 0 0 0 0
1 -1 Argentina tick.nap.com.ar 2 Network Access Point, Buenos Aires, Argentina Argentina Open Access, please send a message to notify Pablo J. Fritz (timekeeper2002@nap.com.ar) NTP V3 Cisco IOS 1 -1 0 0 0 0
1 -1 Argentina tock.nap.com.ar 2 Network Access Point, Buenos Aires, Argentina Argentina Open Access, please send a message to notify Pablo J. Fritz (timekeeper2002@nap.com.ar) NTP V3 Cisco IOS 2 -1 0 0 0 0
1 -1 Australia ntp.saard.net 2 The University of Adelaide, Adelaide, South AUSTRALIA AARNet Open Access Lachlan Cameron Smith (lachlan.cameronsmith@adelaide.edu.au) NTP OSF/1 DEC 3000/300L 3 -1 0 0 0 0
1 -1 Belgium ntp1.belbone.be 2 Brussels, Belgium European Union Open Access Belbone NOC (timemaster@belbone.be) xntpd Linux 4 -1 0 0 0 0
1 -1 Belgium ntp2.belbone.be 2 Brussels, Belgium European Union Open Access Belbone NOC (timemaster@belbone.be) xntpd Linux 5 -1 0 0 0 0
1 -1 Brazil ntp.hiway.com.br 2 Brazil, SP, Valinhos (near Sao Paulo) Hiway Internet Provider Valinhos 22:58:22.4S 47:00:19.7W / Alt +729m (GPS WGS84) Brazil Open Access. Please, send a mail to notify. Fernando Braghetto, webmaster@hiway.com.br, 55 19 38694300 NTPd v.4.1.71 Linux i586 6 -1 0 0 0 0
1 -1 Brazil ntp.pop-pr.rnp.br 2 PoP-PR/Brazilian Research Network (RNP) Brazil Open Access to stratum 2 server. Please, send a mail to notify. ntp-admin@pop-pr.rnp.br NTP V4 Debian GNU Linux with IPv6 Support IBM RS6000 - 43P-240 7 -1 0 0 0 0
1 -1 Brazil ntp.ufes.br 2 POP-ES Federal University of Espirito Santo / POP-ES Brazil Open Access to stratum 2 and stratum 3 NTP servers. Please, send a mail to notify. ntp-admin@ufes.br NTP V4 AIX 4 8 -1 0 0 0 0
1 -1 Brazil ntp1.pucpr.br 2 Brazilian / Pontificia Universidade Catolica do Parana Brazil Open Access to stratum 2 server ntp1@pucpr.br NTP V4 Solaris 7 Sun SPARC4 9 -1 0 0 0 0
1 -1 Canada ntp.cpsc.ucalgary.ca 2 University of Calgary, Calgary, Alberta, Canada Canada Open Access Brad Arlt (timekeeper@cpsc.ucalgary.ca) NTP V4 Solaris i686 10 -1 0 0 0 0
1 -1 Canada ntp1.cmc.ec.gc.ca 2 Canadian Meteorological Centre, Dorval, QuΘbec, Canada Eastern Canada Open Access ntp-admin@cmc.ec.gc.ca NTP V4 UNIX SGI 11 -1 0 0 0 0
1 -1 Canada ntp2.cmc.ec.gc.ca 2 Canadian Meteorological Centre, Dorval, QuΘbec, Canada Eastern Canada Open Access ntp-admin@cmc.ec.gc.ca NTP V4 UNIX SGI 12 -1 0 0 0 0
1 -1 Canada tick.utoronto.ca 2 University of Toronto, Toronto, Ontario, CANADA Eastern Canada Open Access, send email to notify. Russell Sutherland (russ@madhaus.cns.utoronto.ca) NTP V3 Solaris 2.5.1 Sparc 10 13 -1 0 0 0 0
1 -1 Canada time.chu.nrc.ca 2 National Research Council of Canada, Ottawa, Ontario, Canada 45:17:41N, 75:45:27W Canada Open Access time@nrc.ca NTP V3 Linux PC 14 -1 -1 0 0 0
1 -1 Canada time.nrc.ca 2 National Research Council of Canada, Ottawa, Ontario, Canada 45:27N, 75:37W Canada Open Access time@nrc.ca NTP V3 Linux PC 15 -1 0 0 0 0
1 -1 Canada timelord.uregina.ca 2 University of Regina, Regina, Saskatchewan, Canada 50:25N , 104:35:20 W SASK#net, CA*net, Canada Open Access Mark Haidl (timekeeper@uregina.ca) NTP V3 Sun Sparc 5 16 -1 -1 -1 4 0
1 -1 Canada tock.utoronto.ca 2 University of Toronto, Toronto, Ontario, CANADA Eastern Canada Open Access, send email to notify. Russell Sutherland (russ@madhaus.cns.utoronto.ca) NTP V3 Solaris 2.5 Sun Sparc 5 17 -1 0 0 0 0
1 -1 United States California ntp1.sf-bay.org 2 San Jose, CA North America: Southern California Open Access, please send a message to notify Scott Hazen Mueller (clockmaster@sf-bay.org) NTP FreeBSD 18 -1 0 0 0 0
1 -1 Croatia zg1.ntp.carnet.hr 2 CARNet (Croatian Academic and Research Network), Zagreb, Croatia Croatia/Europe Open Access, glad to receive a note ntp@carnet.hr NTP V4 Solaris Sun Sparc 19 -1 -1 0 0 0
1 -1 Croatia zg2.ntp.carnet.hr 2 CARNet (Croatian Academic and Research Network), Zagreb, Croatia Croatia/Europe Open Access, glad to receive a note ntp@carnet.hr NTP V4 Linux Intel 20 -1 0 0 0 0
1 -1 Croatia st.ntp.carnet.hr 3 CARNet (Croatian Academic and Research Network), Split, Croatia Croatia/Europe Open Access, glad to receive a note ntp@carnet.hr NTP V4 Solaris Sun Sparc 21 -1 -1 0 0 0
1 -1 Croatia ri.ntp.carnet.hr 2 CARNet (Croatian Academic and Research Network), Rijeka, Croatia Croatia/Europe Open Access, glad to receive a note ntp@carnet.hr NTP V4 UNIX Sun Sparc 22 -1 -1 -1 4 0
1 -1 Croatia os.ntp.carnet.hr 2 CARNet (Croatian Academic and Research Network), Osijek, Croatia Croatia/Europe Open Access, glad to receive a note ntp@carnet.hr NTP V4 Linux Intel 23 -1 -1 -1 4 0
1 -1 Czech Republic ntp.cgi.cz 2 Prague, The Czech Republic Czech Republic Open Access Jakub Chromy (helpdesk@cgi.cz) NTP V4 FreeBSD PC 24 -1 0 0 0 0
1 -1 Czech Republic ntp.globe.cz 2 Prague, The Czech Republic Czech Republic Open Access Jan Panoch (panoch.jan@globe.cz) NTP V4 Linux PC 25 -1 0 0 0 0
1 -1 Czech Republic ntp.karpo.cz 2 Prague, The Czech Republic Czech Republic Open Access Karel Zvara (zvara@karpo.cz) NTP V4 Linux PC 26 -1 0 0 0 0
1 -1 Czech Republic ntp1.contactel.cz 2 Prague, The Czech Republic Czech Republic Open Access Contactel hostmasters (hostmaster@ctt.cz) NTP V4 Linux PC 27 -1 0 0 0 0
1 -1 Czech Republic ntp2.contactel.cz 2 Prague, The Czech Republic Czech Republic Open Access Contactel hostmasters (hostmaster@ctt.cz) NTP V4 Linux PC 28 -1 0 0 0 0
1 -1 El Salvador clock.cimat.ues.edu.sv 2 Faculty of Natural Sciences and Mathematics, University of El Salvador, San Salvador, El Salvador Central America Open Access, please send a message to notify admin@cimat.ues.edu.sv NTP V4 Linux PC 29 -1 0 0 4 0
1 -1 Finland tick.keso.fi 2 Keski-Savon Oppimiskeskus, Pieksamaki, Finland, Europe Finland Open Access, please send a message to notify root@keso.fi NTP V3 Linux i686 30 -1 0 0 0 0
1 -1 Finland tock.keso.fi 2 Keski-Savon Oppimiskeskus, Pieksamaki, Finland, Europe Finland Open Access, please send a message to notify root@keso.fi NTP V3 Linux i586 31 -1 0 0 0 0
1 -1 France ntp.obspm.fr 2 BNM-SYRTE, Observatoire de Paris, Paris, France France/Europe Open Access, but please send a message to notify info.bnm-syrte@obspm.fr NTP V4 Linux i386 32 -1 0 0 0 0
1 -1 France ntp.tuxfamily.net 2 SFINX or TeleHouse2, Paris, France France/Europe Open Access, no need to notify ntp-adm@tuxfamily.net NTP V4 Debian GNU Linux IA86 33 -1 0 0 0 0
1 -1 France ntp1.tuxfamily.net 2 SFINX, Paris, France France/Europe Open Access, no need to notify ntp-adm@tuxfamily.net NTP V4 Debian GNU Linux IA86 34 -1 0 0 0 0
1 -1 France ntp2.tuxfamily.net 2 TeleHouse2, Paris, France France/Europe Open Access, no need to notify ntp-adm@tuxfamily.net NTP V4 Debian GNU Linux IA86 35 -1 0 0 0 0
1 -1 France ntp.univ-lyon1.fr 2 CISM, Lyon, France France, Switzerland, Italy, Europe Open Access ntp-adm@univ-lyon1.fr NTP V3 Sun SS10 36 -1 0 0 0 0
1 -1 France ntp.via.ecp.fr 2 VIA, Ecole Centrale Paris, France France/Europe Open Access, send email to notify. Please limit Access to one or two hosts per site (large sites should set up their own ntp server) ntpadmin@via.ecp.fr ntp v4.0.99c Debian GNU Linux IA86 37 -1 0 0 0 0
1 -1 Germany tick.fh-augsburg.de 2 Augsburg University of Applied Sciences (FH), Augsburg, Bavaria, Germany Germany, Europe, European academic community please check the details at our website (http://time.fh-augsburg.de/) Burkhard Erdlenbruch (erd@rz.fh-augsburg.de) NTP V3 Linux i486 38 -1 0 0 0 0
1 -1 Germany tock.fh-augsburg.de 2 Augsburg University of Applied Sciences (FH), Augsburg, Bavaria, Germany Germany, Europe, European academic community please check the details at our website (http://time.fh-augsburg.de/) Burkhard Erdlenbruch (erd@rz.fh-augsburg.de) NTP V3 Linux i486 39 -1 0 0 0 0
1 -1 Germany tack.fh-augsburg.de 2 Augsburg University of Applied Sciences (FH), Augsburg, Bavaria, Germany Germany, Europe, European academic community please check the details at our website (http://time.fh-augsburg.de/) Burkhard Erdlenbruch (erd@rz.fh-augsburg.de) NTP V4 Linux i486 40 -1 0 0 0 0
1 -1 Greece ntp.mfa.gr 2 Athens, GR Greece Open Access, please send a message to notify ntp@mfa.gr NTP V3 FreeBSD i686 41 -1 0 0 0 0
1 -1 Hong Kong ntp.cuhk.edu.hk 2 The Chinese University of Hong Kong. 22:25:10N, 114:12:22E Hong Kong, Taiwan, China, and South East Asia Open Access Connie Law (connieL@cuhk.edu.hk), <kinming@cuhk.edu.hk> NTP V3 Linux i686 42 -1 0 0 0 0
1 -1 Hungary time.kfki.hu 2 KFKI Research Institute for Particle and Nuclear Physics, Budapest, Hungary HUNGARNET Open Access, send email to notify. time@sunserv.kfki.hu NTP Solaris Sun 43 -1 -1 0 0 0
1 -1 Ireland ntp.maths.tcd.ie 1 School of Mathematics, Trinity College, Dublin, Ireland. Ireland, UK Open Access, please send a message to notify. time@maths.tcd.ie NTP V4 FreeBSD 2.2 Intel 44 -1 -1 -1 4 0
1 -1 Italy ntps.net4u.it 2 4u Srl, Vercelli, Italy Italy Open Access, please send a message to notify timemaster@net4u.it NTP Linux 2 Intel PIII 500MHz 45 -1 0 0 0 0
1 -1 Korea ntp.ewha.net 2 KT-IDC, Bundang, Korea 37:24:45.3N 127:07:28.5E (WGS 84) Korea Open Access within Korea, send email to notify. Please limit Access to one or two hosts per site (large sites should set up their own ntp server) ntp@ewha.net NTP V3 Linux i586 46 -1 0 0 0 0
1 -1 Malaysia ntp.doubleukay.com 2 Cyberjaya, Malaysia Malaysia Open Access Woon Wai Keen (timekeeper@doubleukay.com) NTP V4 Linux Intel 47 -1 0 0 0 0
1 -1 Netherlands ntp1.theinternetone.net 2 The Internetone, Abovenet Amsterdam, The Netherlands Netherlands/Europe, Abovenet Open Access, please send a message to notify Cees de Groot (cg@theinternetone.net) NTP V4 Linux i686 48 -1 0 0 0 0
1 -1 Netherlands ntp2.theinternetone.net 2 The Internetone, Abovenet Amsterdam, The Netherlands Netherlands/Europe, Abovenet Open Access, please send a message to notify Cees de Groot (cg@theinternetone.net) NTP V4 Linux i686 49 -1 0 0 0 0
1 -1 Netherlands ntp3.theinternetone.net 2 The Internetone, Abovenet Amsterdam, The Netherlands Netherlands/Europe, Abovenet Open Access, please send a message to notify Cees de Groot (cg@theinternetone.net) NTP V4 Linux i686 50 -1 0 0 0 0
1 -1 New Zealand ntp.iprolink.co.nz 2 Iprolink, CBD, Auckland, New Zealand 36:50:59.6 S, 174:45:31.9 E, (GPS NZ Geodatum 1949) New Zealand Open Access within New Zealand, send email to notify. ntp@iprolink.co.nz NTP V3 Cisco Router 51 -1 0 0 0 0
1 -1 New Zealand ntp.public.otago.ac.nz 2 University of Otago, Dunedin, New Zealand New Zealand Open Access within New Zealand, send email to notify. ntp@otago.ac.nz NTP V3 Linux Intel 52 -1 0 0 0 0
1 -1 New Zealand tk1.ihug.co.nz 2 ihug, Central City, Auckland, New Zealand New Zealand Open Access within New Zealand, send email to notify. ntp@staff.ihug.co.nz NTP V4 Linux PC 53 -1 0 0 0 0
1 -1 New Zealand tk2.ihug.co.nz 2 ihug, Central City, Auckland, New Zealand New Zealand Open Access within New Zealand, send email to notify. ntp@staff.ihug.co.nz NTP V4 54 -1 0 0 0 0
1 -1 New Zealand tk3.ihug.co.nz 3 ihug, Central City, Auckland, New Zealand New Zealand Open Access within New Zealand, send email to notify. ntp@staff.ihug.co.nz NTP V4 55 -1 0 0 0 0
1 -1 Norway fartein.ifi.uio.no 2 University of Oslo, Norway 59:56:32N, 10:43:22E NORDUnet Open Access timekeeper@ifi.uio.no) NTP OSF/1 V4.0 DEC Alpha 56 -1 0 -1 4 0
1 -1 Norway time.alcanet.no 2 Alcanet International, Oslo, Norway Europe Open Access, notify message appreciated timekeeper@alcanet.no NTP V3 Linux PC 57 -1 0 0 0 0
1 -1 Poland info.cyf-kr.edu.pl 2 Academic Computer Centre, CYFRONET, Krakow, Poland Poland/Europe Open Access, please send a message to notify Jerzy.Pawlus@cyf-kr.edu.pl NTP V3 UNIX HP 58 -1 0 0 0 0
1 -1 Romania ntp.ip.ro 2 IP Bucharest, Romania Romania/Europe Open Access, but please send a message to notify ntp@ntp.ip.ro NTP V3 Linux i586 59 -1 0 0 0 0
1 -1 Russia ntp.psn.ru 2 Pushchino, Moscow region, Russia 54:50N, 37:37E Russia Open Access, please send a message to notify clockmaster@psn.ru NTP Linux Compaq (DEC) Alpha 60 -1 -1 -1 4 0
1 -1 Singapore ntp.shim.org 2 Singapore Singapore Open Access ivan@shim.org NTP Linux Intel 61 -1 0 0 0 0
1 -1 Slovenia biofiz.mf.uni-lj.si 2 Institute of Biophysics, University of Ljubljana, Slovenia 46:03:09N, 14:30:40E Slovenia/Europe Open Access, please send a message to notify Primoz Peterlin (time@biofiz.mf.uni-lj.si) NTP V4 Linux IBM 62 -1 0 0 0 0
1 -1 Slovenia ntp1.arnes.si 2 ARNES (Academic and Research Network of Slovenia), Ljubljana, Slovenia Slovenia/Europe Open Access with some restrictions (see http://www.arnes.si/english/ntp_Access.html) ntp-admin@arnes.si NTP V4 Solaris Sun Sparc 63 -1 -1 0 0 0
1 -1 Slovenia ntp2.arnes.si 2 ARNES (Academic and Research Network of Slovenia), Ljubljana, Slovenia Slovenia/Europe Open Access with some restrictions (see http://www.arnes.si/english/ntp_Access.html) ntp-admin@arnes.si NTP V4 Solaris Sun Sparc 64 -1 0 0 0 0
1 -1 Slovenia time.ijs.si 2 J. Stefan Institute, Ljubljana, Slovenia 46:02:35N, 14:29:17E (WGS84) Slovenia/Europe Open Access, glad to receive a note Mark Martinec (timekeeper@ijs.si) NTP V4 UNIX DEC Alpha 65 -1 0 0 0 0
1 -1 Slovenia time.ijs.si 2 J. Stefan Institute, Ljubljana, Slovenia 46░ 2.517'N, 14░ 29.241'E (WGS84) Slovenia/Europe Open Access, glad to receive a note NTP V4 66 -1 0 0 0 0
1 -1 Spain hora.oxixares.com 2 Ogijares (Granada/SPAIN) Spain Public (glad to receive a note) timekeeper@oxixares.com NTP V4.1.1 SuSE Linux 8.2 Athlon XP 2500+ 67 -1 0 0 0 0
1 -1 Sweden ntp.lth.se 2 Lund Institute of Technology, Lund, Sweden Sweden, NORDUnet Open Access, send email to notify. Please limit Access to one or two hosts per site (large sites should set up their own ntp server) timemaster@lth.se NTP V3 Solaris Sun 68 -1 -1 0 0 0
1 -1 Sweden time.flygplats.net 2 flygplats.net, Sigtuna, Sweden Europe Open Access timekeeper;@flygplats.net NTP V4 FreeBSD i386 69 -1 0 0 0 0
1 -1 United Kingdom bear.zoo.bt.co.uk 2 BT Adastral Park, Ipswich, England UK Open Access John Sager, jcs@zoo.bt.co.uk NTP Linux 2.4 Pentium III 70 -1 0 0 0 0
1 -1 United Kingdom ntp.cis.strath.ac.uk 2 Dept. Computer and Information Sciences, University of Strathclyde, Glasgow, Scotland. 04:14W, 55:52N UK/Europe Open Access Ian Gordon (ntp@cis.strath.ac.uk) NTP V4 71 -1 0 0 0 0
1 -1 United Kingdom ntp.exnet.com 2 ExNet Ltd, London, UK UK/Europe/any semi-Open Access, please send message first for Access sysadmin@exnet.com or dhd@exnet.com NTP UNIX Sun-4 72 -1 0 0 0 0
1 -1 United Kingdom ntp2a.mcc.ac.uk 2 University of Manchester, Manchester, England UK Open Access timelords@mcc.ac.uk NTP SunOS Sun 73 -1 -1 -1 4 0
1 -1 United Kingdom ntp2b.mcc.ac.uk 2 University of Manchester, Manchester, England UK Open Access timelords@mcc.ac.uk NTP FreeBSD PC 74 -1 -1 0 0 0
1 -1 United Kingdom ntp2c.mcc.ac.uk 2 University of Manchester, Manchester, England UK Open Access timelords@mcc.ac.uk NTP FreeBSD PC 75 -1 -1 0 0 0
1 -1 United Kingdom ntp2d.mcc.ac.uk 2 University of Manchester, Manchester, England UK Open Access timelords@mcc.ac.uk NTP SGI Irix 76 -1 0 0 0 0
1 -1 United Kingdom ntp0.uk.uu.net 2 Cambridge, UK UUNET (formerly known in the UK as PIPEX); UK Semi-Open Access. These are primarily for use by UUNET customers who may use them without asking, but others are welcome to peer if they give notice. timelord@uk.uu.net xntpd 3-5.93 Solaris 7 Sun UltraSPARC 77 -1 0 0 0 0
1 -1 United Kingdom ntp1.uk.uu.net 2 Cambridge, UK UUNET (formerly known in the UK as PIPEX); UK Semi-Open Access. These are primarily for use by UUNET customers who may use them without asking, but others are welcome to peer if they give notice. timelord@uk.uu.net xntpd 3-5.93 Solaris 7 Sun UltraSPARC 78 -1 0 0 0 0
1 -1 United Kingdom ntp2.uk.uu.net 2 London, UK UUNET (formerly known in the UK as PIPEX); UK Semi-Open Access. These are primarily for use by UUNET customers who may use them without asking, but others are welcome to peer if they give notice. timelord@uk.uu.net xntpd 3-5.93 Solaris 7 Sun UltraSPARC 79 -1 0 0 0 0
1 -1 United Kingdom time-server.ndo.com 2 Telehouse Metro, London EC2A 51░31.21'N 0░05.01'W UK / Europe Open Access support@ndo.com NTP Debian Linux PC 80 -1 0 0 4 0
1 -1 United States * (All States) time.cachenetworks.com 2 Multiple, United States US/any Open Access, please send a message to notify Matt Levine (matt.levine@cachenetworks.com) NTP V4 81 -1 0 0 0 60
1 -1 United States Arkansas sushi.compsci.lyon.edu 2 Lyon College Computer Science (Batesville, Arkansas USA) 35.776N, 91.629W United States Open Access, please send a message to notify. Matt Critcher (timekeeper@compsci.lyon.edu) NTP V4 82 -1 0 0 0 0
1 -1 United States Arizona decimal.lib.ci.phoenix.az.us 2 Phoenix, AZ timekeeper@phxlib.org North America Open Access. Please limit Access to one or two hosts per site (large sites should set up their own ntp server) timekeeper@phxlib.org NTP V4 Linux 2.4 Pentium III 83 -1 0 0 0 0
1 -1 United States Arizona dewey.lib.ci.phoenix.az.us 2 Phoenix, AZ North America Open Access. Please limit Access to one or two hosts per site (large sites should set up their own ntp server) timekeeper@phxlib.org NTP V4 Linux 2.4 Pentium III 84 -1 0 0 0 0
1 -1 United States Arizona ntp.drydog.com 2 Tempe, AZ Western United States and Northern Mexico Open Access, please send a message to notify. Please limit Access to one or two hosts per site (large sites should set up their own ntp server) Dan Anderson (timekeeper@drydog.com) NTP V4 Linux 2.4 Pentium III 85 -1 0 0 0 0
1 -1 United States California nist1.datum.com 1 Datum Inc., Bancomm-Timing Division, San Jose, California Primarily networks in Western US Open to stratum-2 servers and others by arrangement Judah Levine (jlevine@boulder.nist.gov) 303 492-7785 ACTS dial-up using lockclock algorithm UNIX DEC Alpha 86 -1 -1 -1 1 0
1 -1 United States California nist1-sj.glassey.com 1 Abovenet, San Jose, California Western US Open to stratum-2 servers and others by arrangement Judah Levine (jlevine@boulder.nist.gov) 303 492-7785 ACTS dial-up using lockclock algorithm Unix DEC Alpha 87 -1 -1 -1 1 0
1 -1 United States California clock.fmt.he.net 1 Hurricane Electric, Fremont, California All Areas Open Access support@he.net NTP V4 Symmetricom NTS-150 88 -1 -1 -1 3 0
1 -1 United States California clock.sjc.he.net 1 Hurricane Electric, San Jose, California All Areas Open Access support@he.net NTP V4 Endrun Praecis CNTP 89 -1 0 0 0 0
1 -1 United States California ntp.ucsd.edu 2 UCSD Academic Computing Services/Network Operations, San Diego, CA CERFNET; NSFNET, SDSC region and nearby Open Access, please send a message to notify. timekeeper@ucsd.edu NTP 90 -1 0 0 0 0
1 -1 United States California ntp1.mainecoon.com 2 Quincy, California 39:56.863N, 120:54.657W North America Open Access, please drop us a note so we can add you to our mailing list. time@mainecoon.com or Chris Kennedy (chris@mainecoon.com) NTP V4 Solaris 2.7 Pentium II 91 -1 0 0 0 0
1 -1 United States California ntp2.mainecoon.com 2 Quincy, California 39:56.863N, 120:54.657W North America Open Access, please drop us a note so we can add you to our mailing list. time@mainecoon.com or Chris Kennedy (chris@mainecoon.com) NTP V4 Solaris 2.7 Sun 4/75 92 -1 0 0 0 0
1 -1 United States California ntp2.sf-bay.org 2 Los Angeles, CA North America: Southern California Open Access, please send a message to notify Scott Hazen Mueller (clockmaster@sf-bay.org) NTP FreeBSD 93 -1 0 0 0 0
1 -1 United States California reloj.kjsl.com 1 Salinas, CA, USA Western USA (Layer42 connectivity) Open Access, please drop me a note if you use the server so I can keep you on the notify list. timekeeper@kjsl.com NTP V3 94 -1 0 0 3 0
1 -1 United States California time.berkeley.netdot.net 2 Berkeley, CA North America: Pacific Coast Open Access, please send a message to notify Caleb Haley (chaley@netdot.net) NTP FreeBSD 95 -1 0 0 0 0
1 -1 United States Colorado time-a.timefreq.bldrdoc.gov 1 NIST Boulder Laboratories, Boulder, Colorado NSFnet, WESTnet Open to stratum-2 servers, others by arrangement; please use only one of the servers as primary with the other as a backup Judah Levine (jlevine@boulder.nist.gov) 303 492 7785 Direct 1 pps from clock ensemble UNIX DEC Alpha 96 -1 -1 -1 1 0
1 -1 United States Colorado time-b.timefreq.bldrdoc.gov 1 NIST Boulder Laboratories, Boulder, Colorado NSFnet, WESTnet Open to stratum-2 servers, others by arrangement; please use only one of the servers as primary with the other as a backup Judah Levine (jlevine@boulder.nist.gov) 303 492 7785 Direct 1 pps from clock ensemble UNIX DEC Alpha 97 -1 -1 -1 1 0
1 -1 United States Colorado time-c.timefreq.bldrdoc.gov 1 NIST Boulder Laboratories, Boulder, Colorado NSFnet, WESTnet Open to stratum-2 servers, others by arrangement; please use only one of the servers as primary with the other as a backup Judah Levine (jlevine@boulder.nist.gov) 303 492 7785 Direct 1 pps from clock ensemble UNIX DEC Alpha 98 -1 -1 -1 1 0
1 -1 United States Colorado utcnist.colorado.edu 1 University of Colorado, Boulder Western US Open to All Colorado users, other stratum-2 servers; others by arrangement Judah Levine (jlevine@boulder.nist.gov) 303 492 7785 ACTS dial-up using lockclock algorithm UNIX DEC Alpha 99 -1 -1 -1 1 0
1 -1 United States Colorado ntp1.tummy.com 2 tummy.com, ltd., Fort Collins, CO US Open Access. ntp@tummy.com NTP Linux i686 100 -1 0 0 0 0
1 -1 United States Delaware louie.udel.edu 2 University of Delaware, Newark, DE CAIRN, Abilene/vBNS Open Access Dave Mills <mills@udel.edu> NTP V3 Solaris 2.6 Sun Sparc10 101 -1 0 0 0 0
1 -1 United States Georgia ntp.shorty.com 2 CNSG, Atlanta, GA Southeast United States Open Access, please send an email to notify before use. timelords@shorty.com NTP Linux PC 102 -1 0 0 0 0
1 -1 United States Georgia rolex.usg.edu 2 University System of Georgia NOC, Atlanta, GA PeachNet (Georgia) Open Access, please send a message with the hostname and/or address of your NTP client to notify. timekeeper@usg.edu NTP 103 -1 -1 -1 4 0
1 -1 United States Georgia timex.usg.edu 1 University System of Georgia NOC, Atlanta, GA PeachNet (Georgia) Open Access, please send a message with the hostname and/or address of your NTP client to notify. timekeeper@usg.edu NTP 104 -1 -1 -1 4 0
1 -1 United States Illinois ntp-0.cso.uiuc.edu 2 University of Illinois, Urbana-Champaign, IL CICNET, Midwest, NCSA region Open Access Charley Kline (kline@uiuc.edu) NTP Cisco-ASM/4 105 -1 0 0 0 0
1 -1 United States Illinois ntp-1.cso.uiuc.edu 2 University of Illinois, Urbana-Champaign, IL CICNET, Midwest, NCSA region Open Access Charley Kline (kline@uiuc.edu) NTP Cisco-ASM/4 106 -1 0 0 0 0
1 -1 United States Illinois ntp-1.mcs.anl.gov 2 Argonne National Laboratory, near Chicago, IL NSF/ANSNet, CICNet, NetIllinois, ESNet, others welcome Open Access, please send a message to notify Systems Staff (ntp-contact@mcs.anl.gov) NTP V3 Sun SparcStation 107 -1 0 0 0 0
1 -1 United States Illinois ntp-2.cso.uiuc.edu 2 University of Illinois, Urbana-Champaign, IL CICNET, Midwest, NCSA region Open Access NTP 108 -1 0 0 0 0
1 -1 United States Illinois ntp-2.mcs.anl.gov 2 Argonne National Laboratory, near Chicago, IL NSF/ANSNet, CICNet, NetIllinois, ESNet, others welcome Open Access, please send a message to notify Systems Staff (ntp-contact@mcs.anl.gov) NTP Sun SparcStation 2 109 -1 0 0 0 0
1 -1 United States Indiana gilbreth.ecn.purdue.edu 2 Purdue University Engineering Computer Network, West Lafayette, IN NSFNET, CICNET area Open Access Mike Moya (moyman@ecn.purdue.edu) NTP V3 Solaris 2.3 Sun SPARCserver 1000 110 -1 0 0 0 0
1 -1 United States Indiana harbor.ecn.purdue.edu 2 Purdue University Engineering Computer Network, West Lafayette, IN NSFNET, CICNET area Open Access Mike Moya (moyman@ecn.purdue.edu) NTP V3 Solaris 2.3 Sun-4/75+ 111 -1 0 0 0 0
1 -1 United States Indiana molecule.ecn.purdue.edu 2 Purdue University Engineering Computer Network, West Lafayette, IN NSFNET, CICNET area Open Access Mike Moya (moyman@ecn.purdue.edu) NTP V3 Solaris 2.3 Sun SPARCserver 1000 112 -1 0 0 0 0
1 -1 United States Indiana tick.cerias.purdue.edu 1 CERIAS, Purdue University, West Lafayette, IN 40:25:33.2N, 86:54:54.7W Internet2, CIC, and midwest US Open access but please see our ntp WWW page (http://ntp.cerias.purdue.edu/) Gene Spafford (ntp-request@cerias.purdue.edu) NTP V4 Symmetricom TymServe 2100L 113 -1 0 0 0 0
1 -1 United States Indiana tock.cerias.purdue.edu 1 CERIAS, Purdue University, West Lafayette, IN 40:25:33.2N, 86:54:54.7W (GPS) Internet2, CIC and midwest US Open Access but please see our ntp WWW page. NTP V4 114 -1 0 0 0 0
1 -1 United States Kansas ntp1.kansas.net 2 KansasNet OnLine Services, Manhattan, KS Central USA / Great Plains Open Access to ntp1.kansas.net *or* ntp2.kansas.net; customers may use both servers. support@kansas.net NTP V3 Linux Intel 115 -1 0 0 0 0
1 -1 United States Kansas ntp2.kansas.net 2 KansasNet OnLine Services, Manhattan, KS Central USA / Great Plains Open Access to ntp1.kansas.net *or* ntp2.kansas.net; customers may use both servers. support@kansas.net NTP V3 Linux Intel 116 -1 0 0 0 0
1 -1 United States Massachusetts ntp.ourconcord.net 2 Concord, MA Eastern time zone Open Access Bruce Walker (timekeeper@quidnet.com) NTP V4 Linux 117 -1 0 0 0 0
1 -1 United States Maryland time-b.nist.gov 1 NIST Central Computer Facility, Gaithersburg, Maryland NSFnet, SURAnet Open to stratum-2 servers, others by arrangement; please use one of the servers as primary with the other as a backup Judah Levine (jlevine@boulder.nist.gov) 303 492 7785 ACTS dial-up using lockclock algorithm UNIX DEC Alpha 118 -1 0 0 0 0
1 -1 United States Minnesota ns.nts.umn.edu 2 Minneapolis, MN CICNET region Open Access, please send a message to notify. Networking & Telecommunications Services (nts@nts.umn.edu) NTP SunOS 4.1.3 Sun 119 -1 0 0 0 0
1 -1 United States Minnesota nss.nts.umn.edu 2 St Paul, MN CICNET region Open Access, please send a message to notify. Networking & Telecommunications Services (nts@nts.umn.edu) NTP SunOS 4.1.3 Sun 120 -1 0 0 0 0
1 -1 United States Missouri time-ext.missouri.edu 2 University of Missouri-Columbia, Columbia, MO, USA MOREnet Open Access, please send a message to notify time@missouri.edu NTP Linux Intel 121 -1 -1 0 0 0
1 -1 United States Montana chronos1.umt.edu 2 University of Montana, Missoula, Montana Northwest USA, Internet 2 Open Access, please send message to notify Michael Bloom (michaelb@selway.umt.edu) NTP Cisco 7507 122 -1 0 0 0 0
1 -1 United States Montana chronos2.umt.edu 3 University of Montana, Missoula, Montana Northwest USA, Internet 2 Open Access, please send message to notify Michael Bloom (michaelb@selway.umt.edu) NTP Cisco 7507 123 -1 0 0 0 0
1 -1 United States Montana chronos3.umt.edu 2 University of Montana, Missoula, Montana Northwest USA, Internet 2 Open Access, please send message to notify Michael Bloom (michaelb@selway.umt.edu) NTP Cisco 7507 124 -1 0 0 0 0
1 -1 United States New Jersey tick.jrc.us 2 Jensen Research Corporation, Oakland NJ 41 00.975 N, 74 15.262 W Eastern US Open Access; please send a message to notify. JRC Network Ops (noc@jensenresearch.com) 201 337-4000 NTP V3 IOS 12.2 Cisco 3620 125 -1 0 0 0 0
1 -1 United States New Jersey tock.jrc.us 2 Jensen Research Corporation, Oakland NJ 41 00.975 N, 74 15.262 W Eastern US Open Access; please send a message to notify. JRC Network Ops (noc@jensenresearch.com) 201 337-4000 NTP V4 Win2K Intel PIII/866 126 -1 0 0 0 0
1 -1 United States Nevada cuckoo.nevada.edu 2 University of Nevada System Computing Services, Las Vegas,NV NevadaNet, NSFNET, SDSC region Open Access, please send message to notify Systems Group (software@nevada.edu) NTP V3 UNIX DEC Alpha 127 -1 -1 0 0 0
1 -1 United States Nevada tick.cs.unlv.edu 2 UNLV College of Engineering, Las Vegas, NV Sprintnet Open Access, an email note is appreciated grayaw@egr.unlv.edu NTP V4 Solaris 128 -1 0 0 0 0
1 -1 United States Nevada tock.cs.unlv.edu 2 UNLV College of Engineering, Las Vegas, NV Sprintnet Open Access, an email note is appreciated grayaw@egr.unlv.edu NTP V4 UNIX Mips 129 -1 0 0 0 0
1 -1 United States New York nist1-ny.glassey.com 1 Abovenet, New York City, New York North Eastern US Open to stratum-2 servers and others by arrangement Judah Levine (jlevine@boulder.nist.gov) 303 492-7785 ACTS dial-up using lockclock algorithm UNIX DEC Alpha 130 -1 -1 -1 1 0
1 -1 United States New York clock.nyc.he.net 1 Hurricane Electric, New York City, New York All Areas Open Access support@he.net NTP V4 Endrun Praecis CNTP 131 -1 0 0 0 0
1 -1 United States New York ntp0.cornell.edu 2 Cornell University, Ithaca, NY NYSERNet, NYSERNet 2000, Internet2/Abilene, vBNS Open Access Dan Eckstrom (de10@cornell.edu) NTP UNIX Sun 132 -1 -1 0 0 0
1 -1 United States New York reva.sixgirls.org 2 The NYITC Building, 55 Broad Street, New York City, NY 40:42:20N, 74:0:40W New York, New Jersey, Connecticut, Long Island areas Open Access John Klos (john@sixgirls.org) NTP V4 NetBSD Motorola 68K 133 -1 0 0 0 0
1 -1 United States New York sundial.columbia.edu 2 Morningside Campus, Columbia University, New York, NY NYSERnet Open Access; please use name rather than address. timekeeper@columbia.edu NTP V3 Sun Sparc10 model 40 134 -1 -1 -1 4 0
1 -1 United States New York timex.cs.columbia.edu 2 Columbia University Computer Science Department, New York City, NY PSINET; NSFNET, NYSER region Open Access, authenticated NTP (DES/MD5) available James Tanis (timekeeper@cs.columbia.edu) NTP UNIX Sun 135 -1 0 -1 4 0
1 -1 United States Pennsylvania clock.psu.edu 2 Penn State University, University Park, PA 40:47:58.1N, 77:51:44.8W (USGS 40077-G7-TF-024) Internet2, vBNS, CERFnet(AT & T IP Services), PSC/NCNE, CASC. Open Access John Balogh <JDB@psu.edu> NTP V3 UNIX Sun 136 -1 -1 0 0 0
1 -1 United States Pennsylvania fuzz.psc.edu 2 Pittsburgh Supercomputing Center, Pittsburgh, PA NSFNET, PSC region Open Access, but please send a message to notify. noc@psc.edu NTP V3 DEC 5000/200 137 -1 0 0 0 0
1 -1 United States Pennsylvania ntp-1.cede.psu.edu 2 Penn State University, University Park, PA Internet2, vBNS, CERFnet, PSC/NCNE Open Access, please send a message to notify timekeeper@cede.psu.edu NTP V4 Debian GNU Linux IBM RS/6000-B50 138 -1 0 0 0 0
1 -1 United States Pennsylvania ntp-2.cede.psu.edu 2 Penn State University, University Park, PA Internet2, vBNS, CERFnet, PSC/NCNE Open Access, please send a message to notify timekeeper@cede.psu.edu NTP V4 Debian GNU Linux i686 139 -1 0 0 0 0
1 -1 United States Pennsylvania ntp-1.ece.cmu.edu 2 Carnegie Mellon Electrical and Computer Engineering, Pittsburgh, PA 40:26N, 79:57W PREPNET, PSC region Open Access ECE Facilities (gripe@ece.cmu.edu) NTP V3 Solaris 9 140 -1 -1 0 0 0
1 -1 United States Pennsylvania ntp-2.ece.cmu.edu 2 Carnegie Mellon Electrical and Computer Engineering, Pittsburgh, PA 40:26N, 79:57W PREPNET, PSC region Open Access ECE Facilities (gripe@ece.cmu.edu) NTP V3 Solaris 9 141 -1 -1 0 0 0
1 -1 United States Texas ntp.fnbhs.com 2 First National Bank of Hughes Springs, TX Northeast Texas Open Access, please send a message to notify walterp@fnbhs.com NTP Debian GNU Linux 2.1 142 -1 0 0 0 0
1 -1 United States Texas ntp.tmc.edu 2 Baylor College of Medicine, Houston, TX NSFNET, SESQUI region Open Access to other stratum 2 servers and upstream for statum 3 servers;not to be used for individual servers;please notify before use Postmaster (postmaster@tmc.edu) NTP Solaris Sun 143 -1 0 0 0 0
1 -1 United States Texas ntppub.tamu.edu 2 Texas A&M University, College Station, TX NSFNET, SESQUI region, THEnet, TAMUSDSN Open Access NTP Administrator (ntp@tamu.edu) NTP V3 Solaris SPARCstation 10 144 -1 0 0 0 0
1 -1 United States Texas tick.greyware.com 4 Greyware Automation Products, Plano, TX South-Central US, others by arrangement Open Access for any server with 50+ clients techsupport@greyware.com NTP Windows NT 145 -1 -1 0 0 0
1 -1 United States Texas tock.greyware.com 2 Greyware Automation Products, Plano, TX South-Central US, others by arrangement Open Access for any server with 50+ clients techsupport@greyware.com NTP Windows NT 146 -1 -1 0 0 0
1 -1 United States Virginia nist1-dc.glassey.com 1 Abovenet, Vienna, VA Primarily networks in Eastern US Open to stratum-2 servers and others by arrangement Judah Levine (jlevine@boulder.nist.gov) 303 492-7785 ACTS dial-up using lockclock algorithm UNIX DEC Alpha 147 -1 -1 -1 1 0
1 -1 United States Virginia ntp-1.vt.edu 2 Virginia Tech Computing Center, Blacksburg, VA, USA US southeastern region, Abilene Open Access ntp@cns.vt.edu NTP V3 148 -1 0 0 0 0
1 -1 United States Virginia ntp-2.vt.edu 2 Virginia Tech Computing Center, Blacksburg, VA, USA US southeastern region, Abilene Open Access ntp@cns.vt.edu NTP V4 149 -1 0 0 0 0
1 -1 United States Washington time-nw.nist.gov 1 Microsoft Corporation, Redmond, Washington NorthWestNet, NSFnet Open to stratum-2 servers and others by arrangement Judah Levine (jlevine@boulder.nist.gov) (303) 492-7785 ACTS Dial-up and lockclock algorithm UNIX DEC Alpha 150 -1 0 -1 1 0
1 -1 United States Wisconsin ntp1.cs.wisc.edu 2 Computer Science Department, University of Wisconsin-Madison 89:24:30W, 43:08:00N US/any Open Access David Thompson ( ntp-admin@cs.wisc.edu) NTP V4 Solaris 2.7 151 -1 0 0 0 0
1 -1 United States Wisconsin ntp3.cs.wisc.edu 2 Computer Science Department, University of Wisconsin-Madison 89:24:30W, 43:08:00N US/any Open Access David Thompson ( ntp-admin@cs.wisc.edu) NTP V4 Solaris 2.7 152 -1 0 0 0 0
1 -1 United States Wisconsin ntp3.sf-bay.org 2 Milwaukee, WI North America - Central Time Zone Open Access, please send a message to notify Scott Hazen Mueller (clockmaster@sf-bay.org) NTP FreeBSD 153 -1 0 0 0 0
1 -1 Venezuela ntp.linux.org.ve 3 VELUG, Grupo de Usuarios Linux de Venezuela Arica Abierta, por favor enviar e-mail para notificar time@linux.org.ve NTP Linux PC Pentium 154 -1 0 0 0 0
1 -1 South Africa ntp.cs.unp.ac.za 2 Natal University, Pietermaritzburg, South Africa South Africa Open Access, please send a message to notify sysadmin@cs.unp.ac.za NTP V3 Irix 6.2 SGI Indy 155 -1 0 0 0 0
1 -1 South Africa tock.nml.csir.co.za 2 Pretoria, South Africa 25,7461 S 28,2770 E (WGS-84) Southern Africa Open Access elmarais@csir.co.za NTP FreeBSD i386 156 -1 -1 -1 4 0
1 -1 United States California nist1.symmetricom.com 1 Symmetricom, San Jose, California Symmetricom, San Jose, California Open Access 157 -1 0 0 0 0
1 -1 United States California nist1.aol-ca.truetime.com 1 AOL Time Warner facility, Sunnyvale, California Western US Open Access for up to 20 queries per hour (one-day average) from any one address, others by arrangment Judah Levine, jlevine@boulder.nist.gov, 303 492 7785 Lockclock Algorithm and ACTS dial-up GPS-stabilized oscillator for short-term stabilization 158 0 0 0 0 0
1 -1 United States Virginia nist1.aol-va.truetime.com 1 AOL Time Warner facility, Dulles, Virginia Eastern US Open Access for up to 20 queries per hour (one-day average) from any one address, others by arrangement Judah Levine, jlevine@boulder.nist.gov, 303 492 7785 Lockclock Algorithm and ACTS dial-up GPS-stabilized oscillator for short-term stabilization 159 0 0 0 0 0
1 -1 Australia ntp0.coreng.com.au 1 Corinthian Engineering P/L, Sydney Australia 33:50S 151:09E Australia Open Access to Australian organisations, please limit to two peer hosts per site Richard Perini (ntp@coreng.com.au) NTP V4 FreeBSD 4.8-STABLE i386 160 -1 0 0 0 0
1 -1 Australia ntp1.cs.mu.OZ.AU 1 The University of Melbourne, Melbourne, Australia 37:48:09.60S 144:57:29.50E Australia, New Zealand, Pacific Region Open Access, please limit to two peer hosts per site David Hornsby (ntp@cs.mu.OZ.AU) NTP V4 Magellan OEM GPS NetBSD 1.6 i386 161 -1 0 0 0 351
1 -1 Brazil ntp1.rnp.br 1 Brazilian Research Network/Rede Nacional de Pesquisa (RNP) 15=B0 48.275963' S, 47=B0 52.904663' N, 1101.146m (WGS-84) Brazil Open Access to stratum 1, stratum 2 within Brazilian Research Network (RNP). Others by prior arrangement only. ntp-admin@rnp.br NTP V4 Trimble Palisade GPS FreeBSD/Unix 162 -1 0 0 0 0
1 -1 Brazil ntps1.pads.ufrj.br 1 Laboratory for the Processing of Analog and Digital Signals (PADS), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil. Lat: 22░51.7031'S. Lon: 043░13.7045'W. Alt: 25m Brazil, Latin America and Caribbean Open Access, please limit to two peer hosts (preferentially stratum 2 servers) per domain. Clients (end-users) should use only stratum 2 servers for synchronization. Rafael Jorge Csura Szendrodi (szendro@pads.ufrj.br) NTP V4 Garmin Etrex GPS with RA-46 system and 1 PPS external stabilized oscillator Linux with nanokernel PC 163 -1 0 0 0 0
1 -1 Canada clock.uregina.ca 1 University of Regina, Regina, Saskatchewan, Canada 50:25N , 104:35W SASK#net, CA*net, Canada Open to stratum2 time servers, others by arrangement. Mark Haidl (timekeeper@uregina.ca) NTP V4 GPS clock FreeBSD PC 164 -1 0 0 0 0
1 -1 Canada subitaneous.cpsc.ucalgary.ca 1 Department of Computer Science, University of Calgary, Calgary, Alberta, Canada Latitude: 51.0801 Longitude: -114.1281 North America Open to stratum 2 time servers, others by arrangement. Please notify us. Shaun Laing (timemaster@cpsc.ucalgary.ca) NTP V4 GPS clock Solaris UltraSparc 165 -1 0 0 0 0
1 -1 Canada tick.usask.ca 1 University oc Saskatchewan, Saskatoon, Saskatchewan, SK, Canada 52:08:01N,106:38:11W SASK#net, CA*net, Canada Open Access, prior arrangment required Alfred Hovdestad (alfred.hovdestad@usask.ca) NTP V3 GOES clock Unix DEC Mips 166 -1 0 0 0 0
1 -1 Canada tock.usask.ca 1 University oc Saskatchewan, Saskatoon, Saskatchewan, SK, Canada 52:08:01N,106:38:11W SASK#net, CA*net, Canada Open Access, prior arrangment required Alfred Hovdestad (alfred.hovdestad@usask.ca) NTP V3 GOES clock Unix DEC Mips 167 -1 0 0 0 0
1 -1 Switzerland ntp.metas.ch 1 Federal Office of Metrology and Accreditation Switzerland (METAS), Bern, Switzerland N 46:55:25 E 07:27:51 Switzerland, others by arrangement Open Access, please send a message to notify Laurent-Guy Bernier (laurent-guy.bernier@metas.ch) radiosynchronized receiver locked to HBG transmitter and ACTS dial-up link METAS T&lab UTC(CH) 168 -1 0 0 0 0
1 -1 Switzerland swisstime.ethz.ch 1 Integrated Systems Laboratory, Swiss Fed. Inst. of Technology, CH 8092 Zurich, Switzerland 47:23N, 8:32E Switzerland/Europe Open Access Christoph Wicki (time@iis.ee.ethz.ch) NTP DCF77 clock SunOS 4.1.4 Sun-4 169 -1 0 0 0 0
1 -1 Chile ntp.dgf.uchile.cl 1 Dpto. Geofφsica, Universidad de Chile. Santiago, Chile Lat: 33░ 27.19'S. Lon: 70░ 39.70'W. Alt: 533m REUNA and interconnected networks, Chile Open Access, please send a message to notify Gonzalo PΘrez (gperez@dgf.uchile.cl) NTP V3 GOES OM/DC-468 clock SunOS 4.1.3 SunSparc10 170 -1 0 0 0 0
1 -1 Czech Republic ntp.cesnet.cz 1 CESNETPrague, The Czech Republic 50░ 6.11' N, 14░ 23.49' E, +252 m Czech Republic and Slovakia, European academic community Open to servers providing synchronization to ten or more hosts, others by arrangement Vladimir Smotlacha (ntp-admin@cesnet.cz) NTP V4 Garmin GPS35 Linux with nanokernel PC 171 -1 0 0 0 0
1 -1 Chile ntp.shoa.cl 1 Servicio Hidrografico y Oceanografico de la Armada de Chile 33:01,6958S 71:38,1136W (WGS-84) Chile Open Access Raul Vergara (rvergara@shoa.cl) NTP V4 GPS clock Redhat Linux i386 172 -1 0 0 0 0
1 -1 Germany ntp0.fau.de 1 University Erlangen-Nuernberg, D-91058 Erlangen, FRG 49.573N 11.028E (from Meinberg GPS 166) Germany/Europe Open Access The Timekeepers (time@informatik.uni-erlangen.de) NTP V3 GPS receiver (<<1us) Unix SunOS 5.6 Sun SS10 173 -1 0 0 0 0
1 -1 Germany ntp1.fau.de 1 University Erlangen-Nuernberg, D-91058 Erlangen, FRG 49.573N 11.028E (from Meinberg GPS 166) Germany/Europe Open Access The Timekeepers (time@informatik.uni-erlangen.de) NTP V3 GPS receiver (<<1us) Unix SunOS 5.6 Sun SS10 174 -1 0 0 0 0
1 -1 Germany ntp2.fau.de 1 University Erlangen-Nuernberg, D-91058 Erlangen, FRG 49.573N 11.028E (from Meinberg GPS 166) Germany/Europe Open Access The Timekeepers (time@informatik.uni-erlangen.de) NTP V3 GPS receiver (<<1us) Unix SunOS 5.6 Sun SS10 175 -1 0 0 0 0
1 -1 Germany ntp3.fau.de 1 University Erlangen-Nuernberg, D-91058 Erlangen, FRG 49.573N 11.028E (from Meinberg GPS 166) Germany/Europe Open Access The Timekeepers (time@informatik.uni-erlangen.de) NTP V3 GPS receiver (<<1us) Unix SunOS 5.6 Sun SS10 176 -1 0 0 0 0
1 -1 Germany ptbtime1.ptb.de 1 Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Germany Germany/Europe, others by arrangement Open Access, please send a message to notify Dieter Sibold, Ronald Scheffler (ntp-admin@ptb.de) NTP V3 Primary standards CS1, CS2 HP-UX HP9000/744 179 -1 0 0 0 0
1 -1 Germany ptbtime2.ptb.de 1 Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Germany Germany/Europe, others by arrangement Open Access, please send a message to notify Dieter Sibold, Ronald Scheffler (ntp-admin@ptb.de) NTP V3 PTB's primary standards CS1, CS2 HP-UX HP9000/744 180 -1 0 0 0 0
1 -1 Germany rustime01.rus.uni-stuttgart.de 1 Computer Center University of Stuttgart, D-70550 Stuttgart, Germany Coordinates: 48:47N, 9:10E Germany/Europe Open, preferred for stratum-2 servers providing synchronization to local networks; appreciate email notification Walter Wehinger (wehinger@rus.uni-stuttgart.de) NTP V3 Meinberg DCF-77 PZF 535/TCXO AIX 4.x IBM RS6000-250 181 -1 0 0 0 0
1 -1 Denmark GPS.FreeBSD.dk 1 Slagelse, Denmark 55:24:22.03N, 11:20:22.98E As network paths make it sensible Open Access to servers, please, no client use Poul-Henning Kamp (phk@FreeBSD.org) NTP V4 GPS with rubidium timebase FreeBSD 182 -1 0 0 0 0
1 -1 Denmark GPS.dix.dk 1 Lyngby, Denmark 55:47:03.36N, 12:03:21.48E Networks BGP-announced on the DIX Open Access to servers, please, no client use Poul-Henning Kamp (phk@FreeBSD.org) NTP V4 GPS with OCXO timebase 183 -1 0 0 0 0
1 -1 France canon.inria.fr 1 INRIA, Rocquencourt (near Paris), France France/Europe Open Access, please send a message to notify ntp-adm@inria.fr NTP V3 GPS (Datum TymServe 2100) 184 -1 0 0 0 0
1 -1 France chronos.cru.fr 1 University of Rennes 1, Britany, France France/Europe Open Access to stratum-2 servers, send a message to notify timemaster@cru.fr NTP V3 GPS (Datum TymServe 2100L) 185 -1 0 0 0 0
1 -1 France ntp-p1.obspm.fr 1 BNM-SYRTE, Observatoire de Paris, Paris, France France/Europe Open Access to stratum-2 servers, but please send a message to notify info.bnm-syrte@obspm.fr NTP V3 Datum TymServe 2100 with 1PPS 186 -1 0 0 0 0
1 -1 France ntp-sop.inria.fr 1 INRIA, Sophia Antipolis (French Riviera, near Nice), France RENATER, R3T2, France/Europe Open to servers providing synchronization to reasonnable size networks (>10 hosts) ntp-adm@sophia.inria.fr NTP V3 GPS Linux PC 187 -1 0 0 0 0
1 -1 France ntp1.curie.fr 1 Institut Curie, Section de Recherche, Paris, France All Areas Universities, academic research centers, non-profit org ONLY ntp-adm@curie.fr NTP V3 GPS Coetanian TSS100 188 -1 0 0 0 0
1 -1 France ntp2.curie.fr 1 Institut Curie, Section de Recherche, Paris, France All Areas Universities, academic research centers, non-profit org ONLY ntp-adm@curie.fr NTP V3 GPS Coetanian TSS100 189 -1 0 0 0 0
1 -1 France ntp3.curie.fr 1 Institut Curie, Section de Recherche, Paris, France All Areas Universities, academic research centers, non-profit org ONLY ntp-adm@curie.fr NTP V3 GPS Coetanian TSS100 190 -1 0 0 0 0
1 -1 Hong Kong clock.cuhk.edu.hk 1 The Chinese University of Hong Kong 22:25:10N,114:12:22E Hong Kong, China and South East Asia Open Access Connie Law (connieL@cuhk.edu.hk), KM Fung (kinming@cuhk.edu.hk) NTP V3 TSS-100 GPS clock 191 -1 0 0 0 0
1 -1 Ireland ntp-galway.hea.net 1 Dept. of Information Technology, National University of Ireland, Galway, Ireland Ireland, UK Open Access, please send a message to notify ntp@it.nuigalway.ie NTP V4 Trimble Acutime GPS Linux 6.2 Intel 192 -1 0 0 0 0
1 -1 Italy ntp1.ien.it 1 IEN Galileo Ferraris, Torino, Italy Italy/Europe Open Access, please send a message to notify ntp.info@ien.it NTP Cesium Beam Frequency Standard Linux PC 193 -1 0 0 0 0
1 -1 Italy ntp2.ien.it 1 IEN Galileo Ferraris, Torino, Italy Italy/Europe Open Access, please send a message to notify ntp.info@ien.it NTP Cesium Beam Frequency Standard Linux PC 194 -1 0 0 0 0
1 -1 Italy tempo.cstv.to.cnr.it 1 CSTV of National Research Council, Torino, Italy Italy/Europe Open Access Fabrizio Pollastri (pollastri@cstv.to.cnr.it) NTP V3 IEN CTD clock Ultrix 4.4 DecSystem 5500 195 -1 0 0 0 0
1 -1 Japan clock.nc.fukuoka-u.ac.jp 1 Fukuoka university, Fukuoka, Japan 130:21.81E, 33:32.87N Japan/Pacific area Open Access TSURUOKA Tomoaki (tsuruoka@fukuoka-u.ac.jp), YOSHIMURA Kenji (yosimura@tl.fukuoka-u.ac.jp) NTP V3.3 GPS clock SunOS 4.1.3 Heliostation 400 196 -1 0 0 0 0
1 -1 Japan clock.tl.fukuoka-u.ac.jp 1 Fukuoka university, Fukuoka, Japan 130:21.81E, 33:32.87N Japan/Pacific area Open Access TSURUOKA Tomoaki (tsuruoka@fukuoka-u.ac.jp), YOSHIMURA Kenji (yosimura@tl.fukuoka-u.ac.jp) NTP V3.3 GPS clock SunOS 4.1.3 Heliostation 400 197 -1 0 0 0 0
1 -1 Mexico cronos.cenam.mx 1 Centro Nacional de Metrologia, Queretaro, Mexico 20:32:9.6 N, 100:16:18 W, +1912 All Mexico and USA Open Access J. Mauricio Lopez R., jlopez@cenam.mx , 52 4 211 0543 Interlock algorithm direct 1 pps from primary 198 -1 0 0 0 0
1 -1 Netherlands ntp0.nl.net 1 NLnet, Amsterdam, The Netherlands The Netherlands/Europe Open Access beheer@nl.net NTP GPS Unix SunOS 4.1.3 Sun 199 -1 0 0 0 0
1 -1 Netherlands ntp1.nl.net 1 NLnet, Amsterdam, The Netherlands The Netherlands/Europe Open Access beheer@nl.net NTP GPS Unix SunOS 4.1.3 Sun 200 -1 0 0 0 0
1 -1 Netherlands ntp2.nl.net 1 NLnet, Amsterdam, The Netherlands The Netherlands/Europe Open Access beheer@nl.net NTP GPS Unix SunOS 4.1.3 Sun 201 -1 0 0 0 0
1 -1 Norway time.service.uit.no 1 The EDB Centre, University of Tromsoe, Norway NORDUnet Semi-Open Access, prior arrangment required timekeeper@uit.no NTP V3 GPS clock UNIX HP 202 -1 0 0 0 0
1 -1 New Zealand clock1.canterbury.ac.nz 1 Computer Science Department, University of Canterbury New Zealand restricted to stratum-2 servers providing synchronization to local networks of ten or more hosts, by prior arrangement Pete Glassenbury (pete@cosc.canterbury.ac.nz) NTP V4 Trimble Palisade GPS Redhat Linux 203 -1 0 0 0 0
1 -1 Poland ntp.certum.pl 1 Unizeto Sp. z o.o., ul. Krolowej Korony Polskiej 21, 70-486 Szczecin 53:26:15N 14:31:58E Poland/Europe Open Access Wojtek Slusarczyk (wslusarczyk@certum.pl) NTP V4 Meinberg GPS 167/PPS Linux 204 -1 0 0 0 0
1 -1 Poland vega.cbk.poznan.pl 1 Astrogeodynamical Observatory, Space Research Centre, Borowiec, Poland Poland/Europe Open Access Robert Diak (kondor@cbk.poznan.pl), Jerzy Nawrocki (nawrocki@cbk.poznan.pl) NTP V3 Caesium clock Redhat Linux PC Pentium 205 -1 0 0 0 0
1 -1 Sweden ntp1.mmo.netnod.se 1 Netnod Internet Exchange i Sverige AB, Stockholm, SWEDEN (Exchange point Malmoe, Sweden) All Areas Open Access Magnus Andersson magnus@netnod.se NTP V4 UTC(SP) Swedish National Time Scale via GPS CV FreeBSD 206 -1 0 0 0 0
1 -1 Sweden ntp2.mmo.netnod.se 1 Netnod Internet Exchange i Sverige AB, Stockholm, SWEDEN (Exchange point Malmoe, Sweden) All Areas Open Access Magnus Andersson magnus@netnod.se NTP V4 UTC(SP) Swedish National Time Scale via GPS CV FreeBSD 207 -1 0 0 0 0
1 -1 Sweden ntp1.sp.se 1 Swedish National Testing and Research Institute, BORAS, SWEDEN All Areas Open Access Kenneth Jaldehag info@sp.se NTP V4 UTC(SP) Swedish National Time Scale FreeBSD 208 -1 0 0 0 0
1 -1 Sweden ntp2.sp.se 1 Swedish National Testing and Research Institute, BORAS, SWEDEN All Areas Open Access Kenneth Jaldehag info@sp.se NTP V4 UTC(SP) Swedish National Time Scale FreeBSD 209 -1 0 0 0 0
1 -1 Sweden ntp1.sth.netnod.se 1 Internet Exchange i Sverige AB, Stockholm, SWEDEN (Exchange point Stockholm, Sweden) All Areas Open Access Kenneth Jaldehag info@sp.se NTP V4 UTC(SP) Swedish National Time Scale via GPS CV FreeBSD 210 -1 0 0 0 0
1 -1 Sweden ntp2.sth.netnod.se 1 Internet Exchange i Sverige AB, Stockholm, SWEDEN (Exchange point Stockholm, Sweden) All Areas Open Access Magnus Andersson magnus@netnod.se NTP V4 UTC(SP) Swedish National Time Scale FreeBSD 211 -1 0 0 0 0
1 -1 Sweden time1.stupi.se 1 Stupi AB, Stockholm, SWEDEN SUnet, NORDUnet Open Access Peter Lothberg (roll@Stupi.SE) NTP V3 Saphir Cesium Beam Standard/GPS BSDI Unix 212 -1 0 0 0 0
1 -1 Sweden time2.stupi.se 1 Stupi AB, Stockholm, SWEDEN Europe Open Access Peter Lothberg (roll@Stupi.SE) NTP V4 FreeBSD HP5071 213 -1 0 0 0 0
1 -1 Singapore nets.org.sg 1 SPRING Singapore Singapore and Asia Open to stratum-2 servers and others by arrangement Liu YanYing (lyy@spring.gov.sg) 65-67739852 ACTS dial-up using lockclock algorithm Unix Compaq Alpha 215 -1 0 0 0 0
1 -1 Slovenia goodtime.ijs.si 1 J. Stefan Institute, Ljubljana, Slovenia 46░ 2.517' N, 14░ 29.241' E, +363 m (WGS84) Slovenia, European academic community, others by arrangement Restricted to servers providing synchronization to ten or more hosts, please send notification before regular use MarkMartinec (timekeeper@ijs.si) NTP V4 Trimble Palisade GPS Tru64 Unix with MICRO_TIME kernel option Compaq (DEC) Alpha 216 -1 0 0 0 0
1 -1 United Kingdom chronos.csr.net 1 Computing Systems Research Ltd. United Kingdom 0:49:10W 52:14:54N (480578m 261841m) United Kingdom Western Europe Open Access C Buckingham (chrisb@csr.net) NTP V4 Odetics GPS Solaris 2.6 Sun 217 -1 0 0 0 0
1 -1 United Kingdom ntp.my-inbox.co.uk 1 Falmouth, Cornwall, UK United Kingdom Western Europe Open Access Phil Curnow phil@my-inbox.co.uk NTP V4.2.0 MSF Radio Clock Receiver Trustix Linux 218 -1 0 0 0 0
1 -1 United States Alaska ntp.alaska.edu 1 University of Alaska, Fairbanks, AK 147 50 59.7W 64 51 27.3N WGS84 Pacific Northwest, others by arrangement Open Access to stratum 2 server Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil) NTP V3 GPS 219 -1 0 0 0 0
1 -1 United States California clepsydra.dec.com 1 HP Western Research Laboratory, Palo Alto, CA NSFNET, BARR region Open Access ntp-admin@wrl-mail.hpl.hp.com NTP V4 GPS 220 -1 0 0 0 0
1 -1 United States California clock.isc.org 1 Internet Software Consortium, Palo Alto, CA 122 9 41 W / 37 26 35 N BARRnet, Alternet-west, CIX-west Open Access Paul Vixie (paul@vix.com) NTP GOES clock BSD UNIX 221 -1 0 0 0 0
1 -1 United States California clock.via.net 1 ViaNet Communications, Palo Alto, CA, USA All Areas Open Access Joe McGuckin (joe@via.net) NTP V3 Trimble Pasisade GPS receiver FreeBSD 222 -1 0 0 0 0
1 -1 United States California gpstime.trimble.com 1 Sunnyvale, CA US Western USA (Layer42 connectivity) Open Access, stratum 3 or higher requested Sven Dietrich, sven_dietrich@trimble.com or zane_brady@trimble.com NTP Trimble Palisade Windows NT 4.0 223 -1 0 0 0 0
1 -1 United States California montpelier.ilan.caltech.edu 1 California Institute of Technology, Pasadena, CA USA Pacific timezone, others by arrangement Open Access to stratum 2 server Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil),Heather Sherman, California Institute of Technology, (network@caltech.edu) NTP V3 GPS clock 224 -1 0 0 0 0
1 -1 United States California ntp-cup.external.hp.com 1 Cupertino CA (SF Bay area) 37:20N/122:00W West Coast USA Open Access timer@cup.hp.com NTP V3 Palisade-GPS HP-UX 225 -1 0 0 0 0
1 -1 United States California tick.gpsclock.com 1 GPSClock.com headquarters, Redondo Beach, CA 33:50:26.510N, 118:22:55.245W US Pacific, Los Angeles area Open to stratum 2 servers for 10 or more hosts, others upon request Frank Mayhar (clock@gpsclock.com) NTP V4 GPSClock 300 hard PPS FreeBSD 226 -1 0 0 0 0
1 -1 United States California tick.ucla.edu 1 UCLA, Los Angeles, CA Pacific time zone, others on request Open Access to stratum-2 servers and to UCLA clients Rich Schmidt (res@tuttle.usno.navy.mil), Scott Burris (scott@cns.ucla.edu) NTP V3 GPS HP9000/747i 227 -1 0 0 0 0
1 -1 United States California timekeeper.isi.edu 1 USC Information Sciences Institute, Marina del Rey, CA 33:58:49N, 118:26:20W (USGS map NAD27) CalRen2, Los Nettos region Open Access Information Processing Center (action@isi.edu) NTP V3 Datum Tymserve 2100-GPS 228 -1 0 0 0 0
1 -1 United States California tock.gpsclock.com 1 GPSClock.com headquarters, Redondo Beach, CA 33:50:26.510N, 118:22:55.245W US Pacific, Los Angeles area Open to stratum 2 servers for 10 or more hosts, others upon request Frank Mayhar (clock@gpsclock.com) NTP V4 GPSClock 200 hard PPS FreeBSD 229 -1 0 0 0 0
1 -1 United States California usno.pa-x.dec.com 1 Systems Research Center, Compaq Computer Corp. Palo Alto, CA 122 9 41.7 W 37 26 42.6 N USA Pacific and Mountain timezones, others by arrangement Open Access Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil) Paul Flaherty, Digital Equipment Corp.(flaherty@pa.dec.com) NTP V3 GPS 230 -1 0 0 0 0
1 -1 United States Colorado navobs1.usnogps.navy.mil 1 Falcon AFB, Colorado 104 31 30 W, 38 48 30 N WGS84 USA Pacific and Mountain timezones, others by arrangement Open Access Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil) NTP V3 USNO Alternate Master Clock H-maser HP9000/747i 231 -1 0 0 0 0
1 -1 United States Colorado navobs2.usnogps.navy.mil 1 Falcon AFB, Colorado 104 31 30 W, 38 48 30 N WGS84 USA Pacific and Mountain timezones, others by arrangement Open Access Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil) NTP V3 USNO Alternate Master Clock H-maser HP9000/747i 232 -1 0 0 0 0
1 -1 United States Colorado time.nist.gov 1 National Center for Atmospheric Research, Boulder, Colorado 39:58:43.44N 254:43:32.5E +1840m (WGS 84) NSFnet, WESTnet Open to stratum-2 servers and others by arrangement Judah Levine (jlevine@boulder.nist.gov) 303 492 7785 ACTS dial-up with NTP backup UNIX DEC Alpha 233 -1 0 0 0 0
1 -1 United States District of Columbia ntp2.usno.navy.mil 1 U.S. Naval Observatory, Washington, DC 77 03 57.7W 38 55 14.1N WGS84 USA Eastern timezone, others by arrangement Open Access to stratum 2 server Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil) NTP V3 USNO Master Clocks 1,2, and GPS 234 -1 0 0 0 0
1 -1 United States District of Columbia tick.usno.navy.mil 1 U.S. Naval Observatory, Washington, DC 77 03 57.7W 38 55 14.1N WGS84 NSFNET Open Access to stratum 2 server Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil) NTP V3 USNO Master Clocks 1,2, and GPS HP9000/747i 235 -1 0 0 0 0
1 -1 United States District of Columbia tock.usno.navy.mil 1 U.S. Naval Observatory, Washington, DC 38:55:14.01 77:03:58.03 (GPS WGS84) NSFNET Open Access Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil) NTP V3 USNO Master Clock 2, H-maser HP9000/747i 236 -1 0 0 0 0
1 -1 United States Delaware ntp1.connectiv.com 1 Conectiv Inc., Newark DE AT&T and QWEST Open Access John K. Scoggin (john.scoggin@conectiv.com) NTP Odetics GPS Receiver Sun Sparc 5 237 -1 0 0 0 0
1 -1 United States Florida ntp-s1.cise.ufl.edu 1 University of Florida, Gainesville, FL Eastern time zone US Open Access for stratum 2 servers and UFL clients,others by arrangement Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil), admin@cise.ufl.edu NTP V3 TrueTime GPS VME 238 -1 0 0 0 0
1 -1 United States Georgia navobs1.gatech.edu 1 Georgia Institute of Technology, Atlanta, GA 84 23 40.9W 33 46 30.0N WGS84 USA Eastern timezone, others by arrangement Open Access for stratum 2 servers and UFL clients,others by arrangement Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil), Ray Spalding, Georgia Institute of Technology,(cc100aa@xray.oit.gatech.edu) NTP V3 GPS clock 239 -1 0 0 0 0
1 -1 United States Georgia time.twc.weather.com 1 The Weather Channel, Atlanta GA 33:53:39.94N, 84:27:47.98W Primarily Southeastern US Open Access to stratum 2 server NTP V4 CMDA Solaris Sun 240 -1 0 0 0 0
1 -1 United States Hawaii tick.mhpcc.hpc.mil 1 Maui High Performance Computing Center 20 44.9286 N, 156 26.4070 W Hawaii, others on request Open Access to stratum 2 server Rich Schmidt (res@tuttle.usno.navy.mil), MHPCC NTP administrator (ntp@mhpcc.edu) NTP V3 Motorola Oncore GPS 241 -1 0 0 0 0
1 -1 United States Illinois ntp0.mcs.anl.gov 1 Argonne National Laboratories, Chicago, IL Central time zone US Open Access for stratum 2 servers and ANL clients,others by arrangement Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil), Bill Nickless, Argonne Natl Labs (nickless@msc.anl.gov) NTP V3 Brandywine Syncclock32/Oncore GPS 242 -1 0 0 0 0
1 -1 United States Massachusetts bonehed.lcs.mit.edu 1 Massachusetts Institute of Technology, Cambridge, MA Eastern US Open Access Robert Morris (rtm@lcs.mit.edu) xntp3-5.90 Motorola Oncore UT+ GPS FreeBSD 3.2 243 -1 0 0 0 0
1 -1 United States Massachusetts tick.mit.edu 1 Cambridge, MA Eastern US Open Access Kenneth Baker (bakerkj@umich.edu) Motorola Oncore UT+ GPS Linux 244 -1 0 0 0 0
1 -1 United States Massachusetts timeserver.cs.umb.edu 1 University of Massachusetts at Boston 42:18:83N, 71:02:36W New England Open Access to stratum-2 servers in service area; any SOHO's in Massachusetts Rick Martin (ntp@cs.umb.edu) NTP V4 TrueTime NTS-200 245 -1 0 0 0 0
1 -1 United States Maryland umd1.umd.edu 1 University of Maryland, College Park, MD NSFNET, SURA region closed Access, except for stratum-2 servers providing synchronization to local networks of ten or more hosts Michael Petry (petry@ni.umd.edu) NTP V3 WWVB clock 246 -1 0 0 0 0
1 -1 United States Maine ntp.colby.edu 1 Colby College, Waterville, ME 69 39 42.0 W, 44 33 48 N WGS84 Northeastern US and Canada, others by arrangement Open Access for stratum 2 servers and ANL clients,others by arrangement Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil), Jeff Earickson, Colby College (jaearick@colby.edu) NTP V3 GPS 247 -1 0 0 0 0
1 -1 United States Missouri navobs1.wustl.edu 1 Washington University, St. Louis, MO USA Central timezone, others by arrangement Open Access Rich Schmidt,US Naval Observatory (res@tuttle.usno.navy.mil) NTP V3 GPS HP9000/747i 248 -1 0 0 0 0
1 -1 United States North Carolina ncnoc.ncren.net 1 MCNC, Research Triangle Park, NC NC-REN region NC-REN region, other use by prior arrangement Tim Seaver (tas@ncren.net, clockmaster@ncren.net) NTP V3 WWVB clock Netclock/2 Sun 4/65 249 -1 0 0 0 0
1 -1 United States North Carolina terrapin.csc.ncsu.edu 1 North Carolina State University, Raleigh, NC South Eastern US Open Access Sven Dietrich, NCSU, sven@terrapin.csc.ncsu.edu NTP Trimble Palisade 250 -1 0 0 0 0
1 -1 United States New Jersey ntp0.jensenresearch.com 1 Jensen Research Corporation, Oakland NJ 41 00.975 N, 74 15.262 W Eastern US Closed Access, except for stratum-2 servers providing synchronization to local networks of ten or more hosts; others by arrangement only. Please send a message to notify. JRC Network Ops (noc@jensenresearch.com) 201 337-4000 NTP V4 Prµcis Ct CDMA clock Win2K Intel PIII/866 251 -1 0 0 0 0
1 -1 United States Ohio lerc-dns.lerc.nasa.gov 1 NASA Lewis Research Center, Cleveland, OH NSFNET, OARNET Open Access Joe Rossoll (yyjer@scivax.lerc.nasa.gov) NTP WWVB clock UNIX Sun 252 -1 0 0 0 0
1 -1 United States Oklahoma now.okstate.edu 1 United States 97 04 17.0 W, 36 07 19.7 N WGS84 Central Time Zone, others by arrangement Open Access Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil), Matthew Collier, Oklahoma State University (mwc@okstate.edu) NTP V4 Motorola Oncore UT+ GPS 253 -1 0 0 0 0
1 -1 United States Pennsylvania gps1.otc.psu.edu 1 Penn State University, University Park, PA 40:47:58.1N, 77:51:44.8W (USGS 40077-G7-TF-024) Internet2, vBNS, CERFnet(AT& T IP Services), PSC/NCNE, CASC Closed Access, except for stratum-2 servers providing synchronization to local networks of ten or more hosts; others by arrangement only. Please send a message to notify. John Balogh <JDB@psu.edu> NTP V3 TrueTime XL/DC NTP module 254 -1 0 0 0 0
1 -1 United States Pennsylvania otc1.psu.edu 1 Penn State University, University Park, PA NSFNET, PREPNET, JvNCnet Open Access John Balogh (JohnBalogh@psu.edu) NTP V3 WWV clock UNIX Sun 255 -1 0 0 0 0
1 -1 United States Pennsylvania wwv.otc.psu.edu 1 Penn State University, University Park, PA 40:47:58.1N, 77:51:44.8W (USGS 40077-G7-TF-024) Internet2, vBNS, CERFnet(AT& T IP Services), PSC/NCNE, CASC Open Access John Balogh <JDB@psu.edu> NTP V3 Traconex/PSTI-1020 WWV clock UNIX Sun 256 -1 0 0 0 0
1 -1 United States Texas tick.uh.edu 1 University of Houston, Houston, TX Rich Schmidt (res@tuttle.usno.navy.mil), Alan Pfeiffer-Traum (apt@uh.edu) US Central time zone, others on request Open Access to stratum-2 servers and to UH clients Rich Schmidt (res@tuttle.usno.navy.mil), Alan Pfeiffer-Traum (apt@uh.edu) NTP V3 GPS HP9000/747i 257 -1 0 0 0 0
1 -1 United States Utah time.xmission.com 1 XMission Internet, Salt Lake City, Utah Western US Open Access ntp@xmission.com ntp-4.1.1a Motorola Oncore UT+ GPS Linux 2.4.18-nano 258 -1 0 0 0 0
1 -1 United States Washington bigben.cac.washington.edu 1 University of Washington, Seattle, WA Pacific Northwest, others by arrangement Open access to Pacific Time Zone stratum 2's and to Univ. of Washington clients; others by arrangement Rich Schmidt, USNO, res@tuttle.usno.navy.mil, Bill Mar, Univ. of Washington (bmar@cac.washington.edu) NTP GPS clock HP-UX HP9000/747i 259 -1 0 0 0 0
1 -1 United States Wisconsin ben.cs.wisc.edu 1 Computer Science Department, University of Wisconsin-Madison 89:24:30W, 43:08:00N US One primary and one secondary per domain, by request David Thompson ( ntp-admin@cs.wisc.edu) NTP V4 Odetics GPS Sun Sparc 5 260 -1 0 0 0 0
1 -1 Brazil ntp.cais.rnp.br 2 RNP - Brazilian Research Network/Rede Nacional de Pesquisa Brazil Open Access to stratum 2 and stratum 3 NTP servers. Please, send a mail to notify. ntp-admin@cais.rnp.br NTP V4 FreeBSD 261 -1 0 0 0 0
1 -1 Brazil ntp.massayonet.com.br 2 Telemacro Sistemas e Serviτos Brazil Open access to stratum 2 and stratum 3 NTP servers. Please send a mail to notify ntp@massayonet.com.br NTP V4 OpenBSD 3.4 262 -1 0 0 0 0
1 -1 Spain slug.ctv.es 2 Altea (Alicante/SPAIN) Spain Public (glad to receive a note) Luis Colorado (luis.colorado@slug.ctv.es) NTP Linux i486DX2/66 263 -1 0 0 0 0
1 -1 France ntp.ndsoftwarenet.com 2 NDSoftware, Paris, France World Open Access, please send a message to notify NDSoftware NTPmaster (ntpmaster@ndsoftwarenet.com) 264 -1 0 0 0 0
1 -1 Greece ntp.mikros.com 2 Argostoli, Kefalonia, GR 3810N 2030E Greece Open Access, please send a message to notify ntp@mikroskosmos.com Linux i686 265 -1 0 0 0 0
1 -1 Indonesia ntp.incaf.net 2 Jakarta, Indonesia Indonesia Open Access admin (timekeeper@incaf.net) NTP V4 Linux i686 266 -1 0 0 0 0
1 -1 Japan ntp.cyber-fleet.net 2 Cyber Fleet, Inc., Tokyo, Japan 35:43:59N, 139:40:50E Japan/East Asia Open Access, please send a message to notify pdp@cyber-fleet.net NTP V4 BSD UNIX PC 267 -1 0 0 0 0
1 -1 Mexico ntp2a.audiotel.com.mx 2 Audiotel office, Mexico D.F., Mexico Avantel, MCINet, Mexico Open Access, but please send a message to notify Pedro Resendiz (resendiz@audiotel.com.mx) NTP V3 NeXTstation/33 268 -1 0 0 0 0
1 -1 Mexico ntp2b.audiotel.com.mx 2 Audiotel office, Mexico D.F., Mexico Avantel, MCINet, Mexico Open Access, but please send a message to notify Pedro Resendiz (resendiz@audiotel.com.mx) NeXTstation/33 269 -1 0 0 0 0
1 -1 Mexico ntp2c.audiotel.com.mx 2 Audiotel office, Mexico D.F., Mexico Avantel, MCINet, Mexico Open Access, but please send a message to notify Pedro Resendiz (resendiz@audiotel.com.mx) NTP V3 NeXTstation/33 270 -1 0 0 0 0
1 -1 Nigeria ntp.supernet300.com 2 Supernet300, Lagos, Nigeria Western Africa, primarily Nigerian NITEL backbone Open Access, but please send a message to notify timelords@supernet300.com Linux PC 271 -1 0 0 0 0
1 -1 New Zealand ntp.massey.ac.nz 2 Massey University, Palmerston North, New Zealand New Zealand Open access within New Zealand ntp@massey.ac.nz NTP V4 Linux PC 272 -1 0 0 0 0
1 -1 Portugal bug.fe.up.pt 2 Oporto University, Portugal Portugal/Europe For use only by prior arrangement timemaster@bug.fe.up.pt NTP Linux i486 273 -1 0 0 0 0
1 -1 Russia sign.chg.ru 2 Scientific Center in Chernogolovka, Moscow region, Russia Russia Open Access, but please send a message to notify Andrew Neporada (andrew@chg.ru) or time@sign.chg.ru FreeBSD 3.1 PC 274 -1 0 0 0 0
1 -1 United Kingdom a.ntp.alphazed.net 2 Telehouse, London E14 All Areas Open Access ntp@alphazed.com NTP V4 FreeBSD 275 -1 0 0 0 0
1 -1 Turkey time.deu.edu.tr 2 Dokuz Eylul University, Izmir, Turkey Turkey Open Access, please send a message to notify berent@deu.edu.tr NTP V4 Solaris Sun Sparc10 276 -1 0 0 0 0
1 -1 United Kingdom ntp0.sandvika.net 2 Telehouse Europe, London E14 51░30.71'N 0░00.08'W UK/Europe Open Access time@sandvika.net NTP V4 Solaris 8 Sun UltraSPARC 277 -1 0 0 0 0
1 -1 United Kingdom ntp1.sandvika.net 2 Telehouse Europe, London E14 51░30.71'N 0░00.08'W UK / Europe Open Access time@sandvika.net Solaris 8 Sun UltraSPARC 278 -1 0 0 0 0
1 -1 United Kingdom ntp2.sandvika.net 2 Telehouse Europe, London E14 51░30.71'N 0░00.08'W UK / Europe Open Access time@sandvika.net NTP V4 Solaris 8 Sun UltraSPARC 279 -1 0 0 0 0
1 -1 United Kingdom tick.tanac.net 2 Wibble UK, Aylesbury, Buckinghamshire UK 51 49 00 N 00 48 00 W United Kingdom Open Access, please send a message to notify ntp@tanac.net NTP Linux 2.2 i686 280 -1 0 0 0 0
1 -1 United States California time.five-ten-sg.com 2 Lake Arrowhead, CA, USA within 100ms of Digilink.net Open Access, email for firewall access first carl@five-ten-sg.com NTP V4 Linux Intel 281 -1 0 0 0 0
1 -1 United States Colorado ntp1.linuxmedialabs.com 2 Linux Media Labs LLC, Colorado Springs, CO US Open Access ntp@linuxmedialabs.com Linux i686 282 -1 0 0 0 0
1 -1 United States North Carolina clock1.unc.edu 2 University of North Carolina-Chapel Hill, Chapel Hill, NC 35:54N, 79:03W CONCERT region CONCERT region, others by prior arrangement Timekeeper (timekeeper@clock1.unc.edu) xntp3 SunOS Sun 4 283 -1 0 0 0 0
1 -1 United States New Hampshire ntp.uhfradio.com 1 Contoocook, NH Eastern time zone Open Access admin@uhfradio.com NTP V4 Garmin16 GPS Win2K 284 -1 0 0 0 0
1 -1 United States New York clock.linuxshell.net 2 Chris Crowther (timekeeper@linuxshell.net) Eastern US Open Access Chris Crowther (timekeeper@linuxshell.net) NTP V3 Linux PC 285 -1 0 0 0 0
1 -1 United States Pennsylvania clock-1.cs.cmu.edu 2 Carnegie Mellon University Computer Science, Pittsburgh, PA PSC region semi-open access; for use only by prior arrangement Help@cs.cmu.edu NTP V3 Solaris 2.5.1 Sun Sparc 286 -1 0 0 0 0
1 -1 United States Pennsylvania clock-2.cs.cmu.edu 2 Carnegie Mellon University Computer Science, Pittsburgh, PA PSC region semi-open access; for use only by prior arrangement Help@cs.cmu.edu NTP V3 SunOS 4.1.4 Sun Sparc 287 -1 0 0 0 0
1 -1 United States Texas ntp.cox.smu.edu 2 Cox School of Business, Southern Methodist University, Dallas, TX NSFNET, SESQUI region Open Access Allen Gwinn (allen@mail.cox.smu.edu) NTP V3 DEC OSF/1 AXP DEC 3000/300LX AXP 288 -1 0 0 0 0
1 -1 United States Virginia ntp-3.vt.edu 2 Virginia Tech, Blacksburg, Virginia, USA US southeastern region, Abilene Open Access ntp@cns.vt.edu NTP V3 289 -1 0 0 0 0
1 -1 United States Virginia ntp-4.vt.edu 2 Virginia Tech Computing Center, Blacksburg, VA, USA US southeastern region, Abilene Open Access ntp@cns.vt.edu NTP V3 290 -1 0 0 0 0