nanog mailing list archives

Re: RFC 1918 network range choices


From: Brian Kantor <Brian () ampr org>
Date: Thu, 5 Oct 2017 12:21:23 -0700

On Thu, Oct 05, 2017 at 03:04:42PM -0400, valdis.kletnieks () vt edu wrote:
Can't speak t the ASICs, but CIDR existed, even if your vendor was behind the
times and still calling stuff class A/B/C. (Such nonsense persisted well into
this century). Check the dates...

The concept of using a number-of-bits to describe
what is now called CIDR existed as early as 1987:

http://www-mice.cs.ucl.ac.uk/multimedia/misc/tcp_ip/8706.mm.www/0011.html

        - Brian


Current thread: