[ih] RFC 1918 addresses

[Andrew G. Malis]

My recollection agrees with Scott. As I recall, the other two ranges were
chosen because they were, at that time, in unallocated space and thus free
for allocation for this purpose.

Cheers,
Andy


On Fri, Oct 6, 2017 at 9:50 AM, Scott O. Bradner <sob at sobco.com> wrote:

> as an IPng AD I was “in the loop” -
>
> 10 was chosen not directly because it was the ARPANET assignment but
> because a LOT of software had coded-in use of net 10 (because it was the
> ARPANET assignment)
>
> Yakov suggested net 10 and Jon agreed (is what I recall)
>
> Scott
>
>
>
> > On Oct 6, 2017, at 8:59 AM, Craig Partridge <craig at tereschau.net> wrote:
> >
> > As I recall, 10/8 was because it was the only prefix still around of
> that size (having until recently been the ARPANET's IP network number).  I
> suspect similar reasons drove the other two, but don't know as I wasn't
> close to this process.
> >
> > Craig
> >
> > On Fri, Oct 6, 2017 at 8:42 AM, John Kristoff <jtk at depaul.edu> wrote:
> > Elsewhere someone asked why the prefixes defined in RFC 1918 (10/8,
> > 172.12/12, 192.168/16) were the codified private prefixes.  Does anyone
> > know the definitive reason, if there was one, why these prefixes were
> > selected over or instead of any other?
> >
> > Thank you,
> >
> > John
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