Only 5x IPv4 /8 remaining at IANA

Fri Oct 22 01:15:23 UTC 2010

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