The current draft policy text disallows returns to lower than a /36, so I would say that organization which took a /36 would not be permitted to go down to a /40.
"Partial returns of any IPv6 allocation that results in less than a /36 of holding are not permitted regardless of the ISP’s current or former IPv4 number resource holdings." Andrew On 10/9/2020 2:04 PM, Chris Woodfield wrote: > Hi Scott, > > Given that ARIN utilizes a sparse allocation strategy for IPv6 resources (in > my organization’s case, we could go from a /32 to a /25 without renumbering), > IMO it would not be unreasonable for the allocation to be adjusted down > simply by changing the mask and keeping the /36 or /32 unallocated until the > sparse allocations are exhausted. Any resources numbered outside the new /40 > would need to be renumbered, to be sure, but that’s most likely less work > than a complete renumbering. > > That said, I’ll leave it up to Registration Services to provide a definitive > answer. > > -C > >> On Fri, 9 Oct 2020, [email protected] wrote: >> >>> Hi All, >>> >>> I am in favor of this draft, and am curious as to how resource holders who >>> were not dissuaded by the fee increase will be impacted by the policy >>> change. While they indeed have more address space than /40, they may also >>> not need the additional address space. Some might prefer the >>> nano-allocation given the lower cost. Will they be required to change >>> allocations, and renumber, in order to return to 3x-small status and >>> associated rate? >>> >>> Scott Johnson >>> SolarNetOne, Inc. >>> AS32639 >>> _______________________________________________ >>> ARIN-PPML >>> You are receiving this message because you are subscribed to >>> the ARIN Public Policy Mailing List ([email protected]). >>> Unsubscribe or manage your mailing list subscription at: >>> https://lists.arin.net/mailman/listinfo/arin-ppml >>> Please contact [email protected] if you experience any issues. >>> >> _______________________________________________ >> ARIN-PPML >> You are receiving this message because you are subscribed to >> the ARIN Public Policy Mailing List ([email protected]). >> Unsubscribe or manage your mailing list subscription at: >> https://lists.arin.net/mailman/listinfo/arin-ppml >> Please contact [email protected] if you experience any issues. >> > _______________________________________________ > ARIN-PPML > You are receiving this message because you are subscribed to > the ARIN Public Policy Mailing List ([email protected]). > Unsubscribe or manage your mailing list subscription at: > https://lists.arin.net/mailman/listinfo/arin-ppml > Please contact [email protected] if you experience any issues. _______________________________________________ ARIN-PPML You are receiving this message because you are subscribed to the ARIN Public Policy Mailing List ([email protected]). Unsubscribe or manage your mailing list subscription at: https://lists.arin.net/mailman/listinfo/arin-ppml Please contact [email protected] if you experience any issues.
