Not Making Use of 240/4 NetBlock
marka at isc.org
Wed Mar 16 02:23:13 UTC 2022
> On 16 Mar 2022, at 02:54, Owen DeLong via NANOG <nanog at nanog.org> wrote:
> Having spent nearly 15 years on the ARIN Advisory Council, I think I’m able
> to claim some detailed knowledge on the subject.
> In general, the RIRs themselves maintain neutrality about such things, looking to their
> respective communities for input on what to do. However, so long as the IETF and
> has not designated the space Unicast Address Space to be delegated to the
> RIRs for allocation/assignment, IANA will not delegate it to the RIRs and the RIRs
> won’t, therefore, delegate it to users.
> If you really want to see this happen (and I still argue that the amount of effort already wasted
> discussing this idea vastly exceeds what would be needed towards IPv6 to get beyond
> caring about it), then the first step must be to convince the IETF to designate the
> space IPv4 Unicast and instruct the IANA to begin issuing those /8s to the RIRs.
> Once that happens, the rest of the allocation process is basically automatic. From a policy
> perspective at the RIR level, it will be no different than say 4/8 or 1/8.
Actually it would be fundamentally different to 4/8 or 1/8. You are looking at firmware upgrades
rather than dealing with squatters and out-of-date ACLs both of which are self-inflicted by one
of the parties. Routers and end devices that don’t know how to hand 240/4 are no self inflicted
injuries. Issuing 4/8 or 1/8 worked for parties that had been following the rules. With 240/4
there where no rules to follow which results in RIR’s leasing known defective addresses.
> Now, convincing vendors to update their firmware, software, etc. is another matter
> and entirely outside of the control of the RIRs. Merchant compliance with IETF standards
> is generally considered useful, but it is entirely voluntary and even in the best of
> circumstances doesn’t every happen instantaneously and almost always involves
> some stumbles along the way.
>> On Mar 15, 2022, at 02:54 , Sylvain Baya <abscoco at gmail.com> wrote:
>> Dear NANOG-ers,
>> Hope this email finds you in good health!
>> Please see my comments below, inline...
>> Le mardi 15 mars 2022, <bzs at theworld.com> a écrit :
>> Hi Barry,
>> Thanks for your email, brother!
>> But the RIRs are the ones fielding requests for IPv4 space, and have
>> some notion of how policy implementation might work in practice, so
>> should have a lot of useful input.
>> ...of course, it appears that RIRs have the opportunity
>> to add their useful inputs, as Impact Analysis Report
>> (IAR); during the Policy Development Process (PDP)
>> initiated by the *appropriate*  Internet community.
>> They explain it themselves here .
>> : <https://tools.ietf.org/html/rfc7020>
>> : <https://www.nro.net/accountability/rir-accountability/q-and-a/>
>> On March 14, 2022 at 00:45 niels=nanog at bakker.net (Niels Bakker) wrote:
>> > * bzs at theworld.com (bzs at theworld.com) [Mon 14 Mar 2022, 00:31 CET]:
>> > >Personally I'd rather hear from the RIRs regarding the value or not
>> > >of making more IPv4 space such as 240/4 available. They're on the
>> > >front lines of this.
>> > You've got your policy development process diagram upside down. The
>> > community decides what the RIRs implement. They're not in touch with
>> > merchant silicon manufacturers.
>> > -- Niels.
>> -Barry Shein
>> Software Tool & Die | bzs at TheWorld.com | http://www.TheWorld.com
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Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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