Re: Only 5x IPv4 /8 remaining at IANA

[Owen DeLong <owen () delong com>]

On Oct 21, 2010, at 12:33 PM, Leen Besselink wrote:

> On 10/21/2010 09:25 PM, George Bonser wrote:
> > > However, consider the fact that there will be v6 only hosts popping up
> > > after IANA/RIR/ISP exhaustion. There will be new entrants in the
> > public
> > > internet space that cannot obtain v4 addresses and will be reachable
> > > via v6
> > > only ...
> > Yep, you can't do NAT64 if you don't have "4".  But that said, just
> > because ARIN is exhausted doesn't mean PA space is exhausted so there
> > will be addresses available though it will be tight.
> That is exactly what the last 5 /8's are for as I understand it.
Not necessarily. It's up to each RIR's policy. ARIN has no such policy.

The other regions generally do not have such a policy.

> The last 5 /8's will be allocated to each RIR immediately and I
> think by now every RIR has a policy for that last /8 which pretty
> much says: only for transitional purposes

Nope... No registry has such a policy that I know of.

Owen