[arin-ppml] Policy Proposal: Dedicated IPv4 block to facilitate IPv6 deployment

Martin Hannigan martin.hannigan at batelnet.bs
Fri Jun 6 22:06:16 EDT 2008

> When ARIN receives its last /8 IPv4 allocation from IANA,
> a contiguous /10 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 size allocation of
> /28 and a maximum size allocation of /24. ARIN should use
> sparse allocation when possible within that /10 block.

Are there any fragements < /24 in the ARIN inventory of
unallocated address space?


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