On Wed, Oct 3, 2012 at 12:13 PM, Chris Campbell <chris at ctcampbell.com> wrote: > Is anyone aware of any historical documentation relating to the choice of 32 bits for an IPv4 address? > > Cheers. I believe the relevant RFC is RFC 791 - https://tools.ietf.org/html/rfc791 -- Sadiq S O< ascii ribbon campaign - stop html mail - www.asciiribbon.org