Breaking down ARIN’s remaining IPv4 Pool

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At the time of this post, there is only .15 of a /8 remaining in the ARIN IPv4 free pool. The largest prefix that remains available is a /11. Within days, that /11 will either be issued to a qualifying organization, or broken down to make smaller prefixes available for organizations who have qualified for a block size that falls between a /11 and the next available block size in inventory.

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IPv4 Depletion Status at ARIN

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What happens after ARIN depletes its free pool of IPv4 address space? Will there be a Phase 5 added to the IPv4 Countdown Plan? Is the IPv4 inventory counter always accurate? These are just some of the questions we’ve been hearing in recent weeks. We understand that IPv4 depletion is causing confusion and uncertainty, so we’d like to try address some of these common questions and provide some additional information on the current status of IPv4 run-out at ARIN.

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ARIN Reaches Final /8 of IPv4 Address Space

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On 23 April 2014, ARIN’s IPv4 address inventory dropped to 1.00 /8 (the equivalent of 16,777,216 addresses) which triggered the final phase of our IPv4 Countdown Plan. Read the official ARIN announcement on this milestone. What is the answer to IPv4 depletion? IPv4 depletion should come as no surprise to anyone and clearly underscores the need for IPv6. The sheer size of the IPv6 address pool will more than meet the needs of the growing Internet now, and well into the future.

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Interop Las Vegas: Doubling Down on IPv6

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Last week, we carved out a corner of the Interop Las Vegas expo floor for any attendees with questions about IPv4, IPv6, ARIN technical services, and so forth. To our delight, we were flooded from start to finish with all manner of organizations from across the region, and questions on nearly every topic! The biggest topic, of course, is IPv6 adoption. More organizations asked us about how to get IPv6 deployed than ever before, and with good reason.

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A Process of Refining Policies

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The Atlanta PPC was a good example of the how the ARIN policy process works, it is a process of refinement. Proposals and draft policies go through multiple reviews and revisions before being accepted as Policy and added to the Number Resource Policy Manual (NRPM) or abandoned along the way.

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How to Request an ASN from ARIN

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The ARIN Registration Services Department assists many organizations in obtaining Autonomous System Numbers (ASNs). Last week you may have heard from the NRO that the global pool of available 2-byte ASNs is nearing depletion. But let’s take a step back. What is an ASN? Who needs one? Why? And how can you get one if you need one?

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