ARIN Activates IPv4 Unmet Requests Policy

Posted: Wednesday, 01 July 2015

ARIN activated the IPv4 Unmet Requests policy (NRPM 4.1.8)  this week with the approval of an address request that was larger than the available inventory in the regional IPv4 free pool. Full details about this process are available at:

ARIN does still have limited amounts of IPv4 address space available in smaller block sizes. We encourage customers to monitor the IPv4 Inventory Counter on the ARIN homepage and the breakdown of the remaining IPv4 inventory found on our IPv4 Depletion page:

Organizations that need larger amounts of address space are encouraged to make use of the IPv4 transfer market for those needs.  ARIN also reminds organizations of the ample availability of IPv6 address space, and encourages organizations to evaluate IPv6 address space for their ongoing public Internet network activities.

Please contact or our Help Desk +1.703.227.0660 if you have questions about IPv4 availability.

We also host a recurring blog on IPv4 depletion status on the Team ARIN website to keep the community informed about the status of the ARIN IPv4 free pool:


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