[arin-ppml] the bad 240/4 idea, was Solving the squatting problem

william manning chinese.apricot at gmail.com
Fri May 17 16:33:55 EDT 2019

i have this recurrent thought that one of those /8's  ( if
memory serves) was in use as the registry for well known multicast
assignments.  And thats not the most difficult problem to overcome (that
registry was managed by IANA once, maybe the IEtF these days).


On Fri, May 17, 2019 at 9:50 AM David Farmer <farmer at umn.edu> wrote:

> Personally, I'm mostly neutral on the idea, it's not a problem I have. We
> have deployed IPv6, and the 10 net and other specified private or
> non-unique use block are sufficient for our needs for the foreseeable
> future. At least until all you IPv4-Only fuddy-duddies retire or die off.
> If you are a believer in IPv4-Only, I hope your 401K does really well so
> you can retire early and make way for the IPv6-Only generation.
> However, as an ARIN AC member, one of my roles is to try to help the
> community to fulfill the community's Internet number resource policy
> objectives. The only way forward for the allocation of 240/4 from an RIR
> policy perspective I could think of was a global policy requesting IANA and
> the IETF to allocate 240/4. Further, if I wasn't clear, I'm very dubious
> that there is a consensus for that across the 5 RIRs need for such a global
> policy.
> Thanks.
> On Fri, May 17, 2019 at 10:54 AM John Levine <johnl at iecc.com> wrote:
>> In article <
>> CAN-Dau0EBfSitNndJV2C9Dau7uWSgUKSm9ZyvQ89iUzp8Jbc-w at mail.gmail.com> you
>> write:
>> >I suppose we could try a global policy that would have to pass in all 5
>> >RIRs requesting IANA and the IETF to allocate 240/4 for Private Use. If
>> >that were to actually occur, it seems difficult for the IETF to ignore
>> such
>> >a request.
>> I'm not the IETF but I am pretty sure we would want to see some
>> evidence that if it were allocated, it would interoperate.  Good luck
>> with that.
>> If you want to use 240/4 for truly private use on your own network, go
>> ahead.  Nobody will ever know.
> --
> ===============================================
> David Farmer               Email:farmer at umn.edu
> Networking & Telecommunication Services
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