[ppml] Policy Proposal 2007-5: Changes to IPv6 policy - removal of "multiple /48" justification

Member Services info at arin.net
Fri Feb 16 18:06:20 EST 2007

On 15 February 2007 the ARIN Advisory Council (AC) concluded its review
of 'Changes to IPv6 policy - removal of "multiple /48" justification'
and accepted it as a formal policy proposal for discussion by the community.

The proposal is designated Policy Proposal 2007-5: Changes to IPv6
policy - removal of "multiple /48" justification. The proposal text is
below and can be found at: http://www.arin.net/policy/proposals/2007_5.html

All persons in the community are encouraged to discuss Policy Proposal
2007-4 prior to it being presented at the ARIN Public Policy Meeting in
San Juan, Puerto Rico, 23-24 April 2007. Both the discussion on the
Public Policy Mailing List and at the Public Policy Meeting will be used
to determine the community consensus regarding this policy proposal.

The ARIN Internet Resource Policy Evaluation Process can be found at:

ARIN's Policy Proposal Archive can be found at:


Member Services
American Registry for Internet Numbers (ARIN)

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Policy Proposal 2007-5: Changes to IPv6 policy - removal of "multiple
/48" justification

Author: Jordi Palet Martinez

Proposal type: delete

Policy term: permanent

Policy statement:

Delete section of NRPM.


The current text requires the LIR to justify to the RIR/NIR when
assigning multiple /48s to a single end site. It seems that the reason
for this requirement is the lack of experience, which seems unreasonable
after a few years this policy has been implemented, even if may not have
been specific cases which used this policy section.

It seems useless, now that there is already deployment experience, to
require a justification from the LIR to ARIN for assigning multiple /48s
(or a shorter prefix, such as for example a /47). It is up to the LIR to
require the justification to its own customers and decide according to
it. The LIR will be already responsible to justify to ARIN the usage of
any allocated block(s) when requesting for more, and this will already
implicate an implicit justification of this kind of assignments.

With this policy change, both ARIN and LIR staff will save resources in
a justification, which seems unnecessary and should be completely on the
hands of the LIR itself.

No financial/liability implications for the community and ARIN are foreseen.

No special conditions, fees, exceptions, etc. seem to be required.

Timetable for implementation: Immediate

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