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IPv4 address length technical design

>>> Is anyone aware of any historical documentation relating to the
>>> choice of 32
>> bits for an IPv4 address?
> 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

My theory is that there is a meta-rule to make new address spaces have 4
times as many bits as the previous generation.

We have three data points to establish this for the Internet, and that's
the minimum needed to run a correlation:  Arpanet, IPv4, IPv6...


  Dave Crocker
  Brandenburg InternetWorking