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- Newsgroups: comp.protocols.tcp-ip.domains
- Path: sparky!uunet!psgrain!randy
- From: randy@psg.com (Randy Bush)
- Subject: Re: Why not automatically do reverse domains?
- Message-ID: <1993Jan1.022755.177@psg.com>
- Organization: Pacific Systems Group, Portland Oregon, US
- References: <BzvrG3.6t4@boulder.parcplace.com> <C033uA.7CB@ddsw1.mcs.com> <1ht11rINN24d@daisy.ee.und.ac.za> <C05ECB.Fxr@ddsw1.mcs.com>
- Date: Fri, 1 Jan 1993 02:27:55 GMT
- Lines: 15
-
- barrett@daisy.ee.und.ac.za (Alan P Barrett) writes:
- > Note the illegal subnet mask. You have only one bit for the subnet
- > number, which means that you can have only two subnets, numbered 0 and 1.
- > But subnet <all bits zero> and subnet <all bits one> are reserved
- > [RFC1009, section 1.1.4] [RFC950, section 2.1]. So you don't have any
- > non-reserved subnets.
-
- Hi Alan. We have an odder one here in RAINet. We run a class B with a
- netmask of ff.ff.ff.e0. We have fund that some software breaks for subnets
- where the high three bits of the last byte are zero, e.g. 147.28.42.0-31.
-
- randy
-
- --
- randy@psg.com ...!uunet!m2xenix!randy
-