[arin-ppml] LAST CALL: Recommended Draft Policy ARIN-2019-3: Update 4.10 – IPv6 Deployment Block

John Santos john at egh.com
Wed Nov 6 14:21:19 EST 2019

On 11/6/2019 12:57 PM, ARIN wrote:

> This policy attempts to address these issues, by raising the minimum 
> size to a /24 and limits total amount an organization can receive to a 
> /21. It also removes the requirement for return and renumber, since that 
> was primarily added to allow organizations to obtain larger blocks if 
> that was necessary. The policy also clarifies the utilization 
> requirements by placing them directly in this section rather than a 
> reference to the utilization requirements of end users.
> Policy Statement:
> Replace current 4.10 with the following updated section
> 4.10 Dedicated IPv4 block to facilitate IPv6 Deployment
> ARIN shall allocate a contiguous /10 from its last /8 IPv4 allocation 
> from IANA. This IPv4 block will be set aside and dedicated to facilitate 
> IPv6 deployment. Allocations and assignments from this block must be 
> justified by immediate IPv6 deployment requirements. Examples of such 
> needs include: IPv4 addresses for key dual stack DNS servers, and NAT-PT 
> or NAT464 translators. ARIN staff will use their discretion when 
> evaluating justifications.
> This block will be subject to a minimum and maximum size allocation of 
> /24. ARIN should use sparse allocation when possible within that /10 block.

This contradicts the statement above that the maximum allocation or 
assignment is a /21, not a /24.  Or is it intended that the initial 
allocation or assignment is always a /24, but the recipient can later 
ask for more, up to a /21, with appropriate justification?

Or is it worded that way so that if an applicant comes back for a second 
(or subsequent) allocation/assignment under this section (for a second 
discrete network?) they may receive no more than a /21 in total?

Also, if the allocation or assignment is a /24, no more and no less, 
what is the point of the 2nd sentence that ARIN should use sparse 
allocation?  Is it so applicants taking a second dip will, if possible, 
get a contiguous /24 each time?

> In order to receive an allocation or assignment under this policy:
> - the applicant may not have received resources under this policy in the 
> preceding six months and cannot receive more than a /21 under this 
> policy section;
> - previous allocations/assignments under this policy must continue to 
> meet the justification requirements of this policy;
> - previous allocations/assignments under this policy must be utilized to 
> at least 80% to obtain an additional allocation or assignment;
> - the applicant must demonstrate that no other allocations or 
> assignments will meet this need.
> Timetable for Implementation: Immediate
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John Santos
Evans Griffiths & Hart, Inc.
781-861-0670 ext 539

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