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