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Press Release

Press Release

24 September 2015

Contact:
Ashley Durkin-Rixey
+1.202.223.4933
adurkin@stantoncomm.com

ARIN IPv4 Free Pool Runs Dry

- With IPv4 Exhausted, Attention Turns to IPv6 -

Chantilly, VA - 24 September 2015 -Marking an important milestone in the evolution of the Internet, the American Registry for Internet Numbers (ARIN), the nonprofit association that manages the distribution of Internet number resources for its region, announced today that it has issued the final IPv4 addresses in its free pool. The attention now shifts to IPv4's successor, IPv6.

"The exhaustion of the free IPv4 pool was inevitable given the Internet's exponential growth," said John Curran, ARIN's President and CEO. "Luckily, we prepared for this eventuality with IPv6, which contains enough address space to sustain the Internet for generations. While ARIN will continue to process IPv4 requests through its wait list and the existing transfer market, organizations should be prepared to help usher in the next phase of the Internet by deploying IPv6 as soon as possible."

"When we designed the Internet 40 years ago, we did some calculations and estimated that 4.3 billion terminations ought to be enough for an experiment. Well, the experiment escaped the lab," said Vint Cerf, ARIN's Board Chairman and renowned Internet pioneer. "The Internet is no longer an experiment; it is the lifeblood of commerce, communication and innovation. It needs room to grow and that can only be achieved through the deployment of IPv6 address space."

Deployment of IPv6 resources will enable growth in the burgeoning market for connected devices that will form the building blocks of the Internet of Things, connecting everything from phones to lightbulbs. For organizations involved in web commerce, IPv6 will ensure global visibility across the whole Internet at reduced latency and provide accurate geolocation and customer analytics without the need to account for gateway masking that can skew critical data. Above all, by deploying IPv6 today, organizations can eliminate the need to make costly future investments in technology to support antiquated IPv4 infrastructure.

While ARIN will continue to process and approve requests for IPv4 address blocks through its recently announced Waiting List for Unmet IPv4 Requests, or through the IPv4 Transfer Market, organizations looking to add or transfer IPv4 space should be aware that the exhaustion of the ARIN free pool does trigger important changes in ARIN's Specified Transfer Policy and Inter-RIR Transfer Policy. This change specifically impacts those organizations that have been the source entity in a specific IP address space transfer within the last twelve months. Effective today, because exhaustion of the ARIN IPv4 free pool has occurred for the first time, there is no longer a restriction on how often organizations may request transfers to specified recipients.

In the future, any IPv4 address space that ARIN receives from IANA, or recovers from revocations or returns from organizations may be used to satisfy approved requests on the Waiting List for Unmet Requests. If ARIN is able to fully satisfy all of the requests on the waiting list, any remaining IPv4 addresses would be placed into the ARIN free pool of IPv4 addresses to satisfy future requests.

ARIN is hosting a recurring blog series on IPv4 depletion status on the Team ARIN website to keep the community informed about the status of the ARIN IPv4 free pool and is educating organizations who want to reach the whole Internet, not the old Internet with a campaign to promote IPv6, called Get6. Organizations must prepare for IPv6 now to ensure their future success in a changing web environment.

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About the American Registry for Internet Numbers (ARIN)

ARIN is the nonprofit corporation that manages the distribution of Internet number resources – IPv4, IPv6, and Autonomous System numbers – in its service region, which includes Canada, many Caribbean and North Atlantic islands, and the United States. More information on IPv6 adoption is available at http://www.getipv6.info/ and http://www.arin.net

ARIN has prepared several graphics to be shared on social media referencing this announcement which can be found and downloaded here: (1) "It's Time to Reach the Whole Internet" (2) "The Internet is Evolving" (3) "ARIN's IPv4 Address Pool is Empty" (4) "Welcome to the Whole Internet"

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