[arin-ppml] IANA IPv4 /8 burn rate.... (was Re: Stepping forward, opening my mouth and removing all doubt about)

Alain Durand alain_durand at cable.comcast.com
Wed Aug 27 18:34:47 EDT 2008

On 8/27/08 12:21 PM, "Stephen Sprunk" <stephen at sprunk.org> wrote:

>> Then there is also those who say, me included, that a liberalized transfer
>> policy will not solve the problem at all. Recent ARIN stats showed that most
>> addresses have been allocated in large or very large blocks. This is a
>> direct consequence of the market concentration. Other recent data showed
>> that what would be potentially available via a liberalized transfer policy
>> would mostly be legacy Bs & Cs. Those blocks are simply too small to meet
>> the global demand.
> OTOH, there are several large companies that have legacy As, which
> currently have no incentive to return them to ARIN.  Many could renumber
> into a /16 or less, using NAT, if only they had the financial motivation
> to incur that cost; ditto for the hundreds of companies sitting on
> multiple Bs that could renumber into a /24 if motivated.  However, that
> still only buys us another year or two at current growth rates...

In 2007, IANA has delegated 13 /8 to the 5 combined RIR. This burn rate has
been increasing year over year.

Now, can someone tell me with a straight face that there will be the
equivalent of at least 13 /8 every year made available from "liberalized

  - Alain.

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