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IPv4 address length technical design
- Subject: IPv4 address length technical design
- From: alh-ietf at tndh.net (Tony Hain)
- Date: Wed, 3 Oct 2012 12:11:05 -0700
- In-reply-to: <CABSLv--2C_Y8XR4NJ21kbg8vv1E4Pkmhg=rZHEUxvS-YEP5p=w@mail.gmail.com>
- References: <[email protected]> <CABSLv--2C_Y8XR4NJ21kbg8vv1E4Pkmhg=rZHEUxvS-YEP5p=w@mail.gmail.com>
> Sadiq Saif [mailto:sadiq at asininetech.com] wrote:
>
> 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
Actually that was preceded by RFC 760, which in turn was a derivative of IEN 123. I believe the answer to the original question is partially available on a series of pages starting at : http://www.networksorcery.com/enp/default1101.htm
IEN 2 is likely to be of particular interest ...