[arin-ppml] Transfer Proposals and 2007-14: Resource Review

Scott Leibrand sleibrand at internap.com
Thu Oct 2 01:02:28 EDT 2008

ARIN will provide another legal review of all policies being considered at 
the L.A. meeting.  (2008-2 got one at Denver, as well.)  My understanding 
is that the RSA references ARIN policy, so if a transfer policy passes, 
whatever the new policy allows will be allowed by the RSA (by reference).

That does not, however, completely address the issues raised below, which 
have more to do with what type of reclamation is allowed and performed, 
orthogonal to any transfer policy.  That issue is being addressed through 
another policy proposal, 2007-14: Resource Review Process, which seeks to 
codify in policy how and when ARIN may review resource utilization, and 
what action it may take to request the return of or revoke under-utilized 


mack wrote:
> This probably needs a statement from the ARIN legal counsel.
> If the transfer policy would conflict with the existing RSA and
> corresponding policies, that would need to be sorted out.
> If RSA signers are required to return unused address space then
> A transfer policy would only apply to legacy holders.
> 3.1 of 2050 seems to indicate that ARIN can revoke IPs if the
> need no longer exists.
> This does not cover the case of partial usage though.
> 2050 only requires a 25% immediate utilization rate for allocation.
> and an estimate of 50% within a year.
> It also states these are only guidelines.
> The basic question is:
> What level of utilization is necessary to prevent revocation and
> are RSA signers required to return unused space at some level of
> utilization if they will not need it within one year?
> --
> LR Mack McBride
> Network Administrator
> Alpha Red, Inc.
>> Message: 6
>> Date: Tue, 30 Sep 2008 11:49:46 -0400
>> From: Leo Bicknell <bicknell at ufp.org>
>> Subject: Re: [arin-ppml] Transfer Proposals
>> To: ARIN PPML <ppml at arin.net>
>> Message-ID: <20080930154946.GA23785 at ussenterprise.ufp.org>
>> Content-Type: text/plain; charset="us-ascii"
>> In a message written on Tue, Sep 30, 2008 at 01:15:33AM -0500, mack
>> wrote:
>>> Wow, I did a closer read and you are correct.
>>> There is nothing in either the policy manual or
>>> the RSA that requires the return of unused resources
>>> if they are justified and later not needed.
>> http://www.faqs.org/rfcs/rfc2050.html
>> Section 3.1:
>> ] IP addresses are valid as long as the criteria continues to be met.
>> ] The IANA reserves the right to invalidate any IP assignments once it
>> ] is determined the the requirement for the address space no longer
>> ] exists.  In the event of address invalidation, reasonable efforts
>> ] will be made by the appropriate registry to inform the organization
>> ] that the addresses have been returned to the free pool of IPv4
>> ] address space.
>> http://www.arin.net/policy/nrpm.html#four17
>> ] 4.1.7. RFC 2050
>> ]
>> ] ARIN takes guidance from allocation and assignment policies and
>> ] procedures set forth in RFC 2050. These guidelines were developed to
>> ] meet the needs of the larger Internet community in conserving scarce
>> ] IPv4 address space and allowing continued use of existing Internet
>> ] routing technologies.
>> http://www.arin.net/registration/agreements/rsa.pdf
>> ] 7. POLICIES
>> ]
>> ] Pursuant to ARIN's Internet Resource Policy Evaluation Process
>> ] ("IRPEP"), ARIN maintains the Policies and may amend the Policies,
>> ] implement new policies (which once implemented, will be considered
>> ] Policies), or make certain Policies obsolete. Applicant acknowledges
>> ] and agrees it has read, understands, and agrees to be bound by and
>> ] comply with the Policies, as amended.  ARIN may, at any time in its
>> ] sole and absolute discretion, amend the Policies or create new
>> ] Policies and such amendments or new Policies shall be binding upon
>> ] Applicant immediately after they are posted on the Website.
>> RSA->Policies->2050->Unused IP allocations can be invalidated.
>> --
>>        Leo Bicknell - bicknell at ufp.org - CCIE 3440
>>         PGP keys at http://www.ufp.org/~bicknell/
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