The Department of Work and Pensions, UK has an entire /8

Blair Trosper blair.trosper at
Wed Sep 19 04:05:32 UTC 2012

Not to mention Ford Motor Company has, and there are no
announcements for it whatsoever.

There are other /8s like it...lots of them early allocations.

Why ARIN doesn't revoke them is frankly baffling to me.

On Tue, Sep 18, 2012 at 10:27 PM, Randy Bush <randy at> wrote:

> > When IPv4 exhaustion pain reaches a sufficiently high level of pain;
> > there is a significant chance people who will be convinced that any
> > use of IPv4 which does not involve  announcing and  routing the address
> > space on the internet is a "Non-Use" of IPv4 addresses,
> >
> > and that that particular point of view will prevail over the concept
> > and convenience of being allowed to maintain unique registration for
> > non-connected usage.
> >
> > And perception that those addresses are up for grabs, either for using
> > on RFC1918 networks for NAT, or for insisting that internet registry
> > allocations be recalled and those resources put towards use by
> > connected networks......
> >
> > If you do have such an unconnected network, it may be prudent to have
> > a connected network as well, and announce all your space anyways (just
> > not route the addresses)
> this is the arin vigilante cultural view of the world.  luckily, the
> disease does not propagate sufficiently to cross oceans.
> randy

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