[arin-ppml] ARIN-2011-4: Reserved Pool for Critical Infrastructure - Last Call

ARIN info at arin.net
Mon Apr 18 15:05:52 EDT 2011

The ARIN Advisory Council (AC) met on 13 April 2011 and decided to
send a revised version of the following draft policy to last call:

   ARIN-2011-4: Reserved Pool for Critical Infrastructure

Feedback is encouraged during the last call period. All comments should
be provided to the Public Policy Mailing List. Last call for 2011-4 will
expire on 2 May 2011. After last call the AC will conduct their last
call review.

The draft policy text is below and available at:

The ARIN Policy Development Process is available at:


Communications and Member Services
American Registry for Internet Numbers (ARIN)

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Draft Policy ARIN-2011-4
Reserved Pool for Critical Infrastructure

Version/Date: 16 Feb 2011

Policy term: 36 Months following implementation

Policy statement:

ARIN will place an equivalent of a /16 of IPv4 address space in a
reserve for Critical Infrastructure, as defined in section 4.4. If at
the end of the policy term there is unused address space remaining in
this pool, ARIN staff is authorized to utilize this space in a manner
consistent with community expectations.


Section 4.10 of the NRPM is insufficient with respect to insuring the
continued operation of critical infrastructure. This proposal, if
adopted, will protect those resources with a reasonable amount of
reserved v4 address space and prevent an overrun of CI needs by NRPM
Section 4.10 or any successor. The intent is to separate CI needs and
make a distinct pool available to insure the continuity of CI
allocations per NRPM Section 4.4 for at least 36 months.

Timetable for implementation: Immediate

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