[arin-announce] Consultation - Retirement of IPv4 Countdown Plan
info at arin.net
Mon Mar 21 09:04:56 EDT 2016
In 2011, ARIN published IPv4 countdown procedures to ensure fair and
equitable administrative processing of IPv4 requests leading up to the
IPv4 depletion event. These countdown procedures have been meticulously
followed for the past five years. We have been inside the 4th and final
phase of this plan since April of 2014 when ARIN reached one remaining
/8 equivalent. This final phase of the plan includes the processing of
all IPv4 requests on a "first in, first out" basis (chronologically
based on time stamp) and team review for all IPv4 requests, regardless
You can find the processing procedures for each phase on ARIN's IPv4
Countdown Plan page at the ARIN public website.
ARIN's IPv4 free pool depleted in September of 2015. Even though the
depletion event has already occurred, ARIN staff continues to apply
Phase 4 countdown procedures to IPv4 free pool requests today. With the
exception of requests that fall under NRPM 4.4 (micro-allocations) and
4.10 (dedicated IPv4 block to facilitate IPv6 deployment), all IPv4
requests that qualify for an allocation/assignment are destined for the
Waiting List for Unmet Requests. Since the waiting list started in 2015,
over 300 organizations have been added. As the waiting list continues to
grow, there is diminishing likelihood new additions will receive IPv4
blocks resulting from returns or IANA distributions in the coming years.
ARIN staff is considering the retirement of the IPv4 Countdown Plan.
This would involve the cessation of Phase 4 processing procedures in our
future review of IPv4 requests that are destined for the waiting list
for unmet requests. IPv4 request tickets would continue to be responded
to in generally the same number of days across the many different open
requests, but would no longer be processed on a strict "first in, first
out" basis. We would also discontinue the team review requirement for
IPv4 request tickets. Removing these procedures would allow the
recovered staff time to be redirected to other registration related work
activities inside the ARIN Registration Services Department, such as
handling the increasing number of transfers.
We seek your comment on the possible retirement of ARIN's IPv4 Countdown
Please provide comments to arin-consult at arin.net. You can subscribe to
this mailing list at:
This consultation period will close at 5:00 PM EDT, 22 April 2016.
Please contact us at info at arin.net if you have any questions.
President & CEO
American Registry for Internet Numbers (ARIN)
More information about the ARIN-announce