IANA IPv4 Free Pool is Now at 6.25%

From the ARIN-announce mailing list:

ARIN has been allocating IPv6 addresses since 1999 and has been actively advocating the need to deploy IPv6. In 2007, the ARIN Board of Trustees resolved to educate and inform the Internet community regarding IPv4 depletion and the increasing need to adopt IPv6. This resolution became part of a larger IPv6 outreach campaign to encourage those currently running IPv4 to begin adopting IPv6. In April of 2009, ARIN contacted, by certified letter, the CEOs of organizations that currently hold IPv4 resources in its region to raise executive awareness of IPv4 depletion and IPv6 adoption. To keep up with ARIN’s current outreach activities and locations, please visit

Without IPv6, the Internet’s expansion and innovation could be limited. Delaying IPv6 deployment may strain the work of Internet operators, application developers, and end users everywhere. Furthermore, organizations whose business model is dependent on availability of IP addresses may find their growth limited without adopting production IPv6.

There are many ways to make your organization’s services available using IPv6, depending on your network setup and the services you have deployed. ARIN hosts an IPv6 Wiki to facilitate discussion and information sharing on IPv6 adoption topics and issues, which can be found at If you have not already, now is the time to determine how your services will grow and be maintained using IPv6 addresses.


John Curran
President and CEO
American Registry for Internet Numbers (ARIN)

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