nanog mailing list archives

Re: Dual stack IPv6 for IPv4 depletion


From: "Ricky Beam" <jfbeam () gmail com>
Date: Wed, 15 Jul 2015 17:53:38 -0400

On Wed, 15 Jul 2015 17:34:13 -0400, Owen DeLong <owen () delong com> wrote:
That covers multicast and RFC-1918. Are there any other IPv4 segmentations that you can think of?
...
Given that we came up with 3 total segmentations in IPv4 over the course

#1-3,#4 RFC-1918 is 3 "segments" and we recently added a 4th (for CGN).
#5 Localhost (127/8)
#6 Multicast (224/4)
#7 "Class E" (240/4)
#8 0/8
#9 255/8 (technically, part of class e, but it's called out specifically in various RFCs)


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