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Various studies and articles have been published in recent years with
estimates concerning the exhaustion of IPv4. While no one can predict
the exhaustion date of IPv4 with certainty, we all know it is
inevitable. It is no longer a question of "if", but rather of "when".
Various mathematical calculations, along with discussions on how
different variables affect the exhaustion date are used to approach
this complex challenge.
While the existing studies published on IPv4 have merits, they also
have some mathematical shortcomings and they do not examine the
existing and forthcoming IANA allocation procedures in detail. As a
result, they tend to underestimate the projected exhaustion date.
The result of this new method is that the IANA pool will be exhausted
by 2011-01-22. The first RIR exhaustion date would occur around
2011-10-09 and the last RIR would be depleted by 2012-07-28.
<http://www.ipv4depletion.com/?page_id=326>Link