[arin-ppml] LAST CALL - Recommended Draft Policy ARIN-2022-1: MDN Clarification for Qualification

ARIN info at arin.net
Wed Oct 26 13:05:02 EDT 2022

On 21 October 2022, the ARIN Advisory Council (AC) sent the following Recommended Draft Policy to Last Call:


* ARIN-2022-1: MDN Clarification for Qualification


Feedback is encouraged during the Last Call period. All comments should be provided to the Public Policy Mailing List. Last Call will expire on 9 November 2022.


The Recommended Draft Policy text is below and available at:




The ARIN Policy Development Process is available at:





Sean Hopkins

Senior Policy Analyst

American Registry for Internet Numbers (ARIN)




Recommended Draft Policy ARIN-2022-1: MDN Clarification for Qualification 


AC Assessment of Conformance with the Principles of Internet Number Resource Policy:


Recommended Draft Policy ARIN-2022-1 conforms to the principles of the ARIN Policy Development Process as follows:


* By providing greater clarity concerning transfer requirements for organizations operating Multiple Discrete Networks (MDNs), it promotes fair and impartial number resource administration;

* It is technically sound because it clarifies the technical requirements for receiving IPv4 resources via transfer if one is an MDN operator; and

* Community support has been demonstrated throughout the process associated with its development.


Problem Statement:


The requirements for transfers involving companies operating multiple discrete networks under section 8.5 of the NRPM are unclear and need clarification.


Policy statement:


Replace the first paragraph of Section 8.5.7 with the following:


Organizations may qualify for additional IPv4 address blocks by demonstrating 80% utilization of their currently allocated space. In organizations operating multiple discrete networks, each discrete network may be assessed individually for the 80% utilization threshold. To qualify under this policy, the organization must provide justification that each network is discrete, per the criteria described in section 4.5. Each discrete network must meet the projection requirements in section 8.5.5, and each discrete network for which IP addresses are requested must meet the utilization requirements in section 8.5.6. Organizations may receive one or more transfers up to the total size of their current ARIN IPv4 address holdings, up to a maximum size of /16.


Timetable for Implementation: Any

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