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IANA Issues /11 to ARIN

Posted: Friday, 23 May 2014

On 20 May 2014 ARIN received from IANA in accordance with the Global Policy for Post Exhaustion IPv4 Allocation Mechanisms by the IANA. This policy was immediately activated when the LACNIC IPv4 free pool dropped below one /9 of IPv4 address space. The full text of the policy is available at:

As a result of this allocation, the ARIN free pool has increased to .98 of a /8. This change does not impact the IPv4 Countdown Plan, and we will continue to follow Phase 4 processing procedures. 

We encourage you to visit the IPv4 Countdown Phase Four page at:

ARIN has added this new /11 to its available inventory and will begin issuing from this block in the near future.

For informational purposes, a list of ARIN's currently administered IP address blocks can be found at:

Please contact or our Help Desk +1.703.227.0660 if you have any questions.


Leslie Nobile
Director, Registration Services
American Registry for Internet Numbers (ARIN)

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