The assignment of numerical addresses for Domain Names ??

[Bruno Wolff III]

On Thu, Aug 07, 2008 at 21:54:31 -0430,
  Patrick O'Callaghan <pocallaghan at gmail.com> wrote:
> On Thu, 2008-08-07 at 21:20 -0400, William Case wrote:
> > 
> > When ARIN (American Registry for Internet Numbers or one of its clients,
> > or any other IANA RIR) assigns a /8, or /16 number and registers a new
> > domain name is there any rules, policy or usual practice in the
> > assignment that gives a hint to the nature of the entity that has
> > received a certain address?  

At what time the prefix could be used to tell the size of the allocation.
The prefix determined whether the allocation was a class A, B or C (which
correspond to /8, 16 and /24 respectively).

Attempts were made to keep similar prefixes in the same area to keep routing
table sizes down.