[arin-ppml] Clarify /29 assignment identification requirement

Joel jaeggli joelja at bogus.com
Thu May 3 16:55:56 EDT 2012

On 5/3/12 13:21 , William Herrin wrote:
> On Thu, May 3, 2012 at 3:30 PM, paul vixie <paul at redbarn.org> wrote:
>> and i don't see anyone other than the RIRs who could do it.
>> and i don't see any way to continue the internet's prior growth curve
>> without this.
> Hi Paul,
> As ISPs begin to make use of the carrier NAT space where a single
> global IP serves hundreds of customers, is it really necessary for
> ARIN to spot-check the identities of the customers sitting behind a
> particular address in order to verify that the use is legitimate?

ranges used by nat translators should be documented as such. they are
not customer assignments. I've done this in the course of direct
assignment requests. I have not yet been asked to demonstrate outgoing
port utlization efficiency whatever that my imply at some future  date.

> It would seem to me to be a failure of imagination if we can't find
> some less intrusive way to decide if the use has been faked.
> Besides, as someone else pointed out, customer lists don't prove
> anything unless ARIN staff pick up the phone and start calling. Should
> we expect ARIN to start randomly polling our customers to keep us
> honest?
> Isn't this all a little much?
> We made a policy decision to cut off public reporting at /29 for a
> reason. And we DO expect folks to pick up the phone and call the folks
> listed for /29's over network abuse or whatever. And report it to ARIN
> if it turns out to be fake. But if ARIN can't find a way to treat
> private sub-/29 reporting as a request of last resort, maybe it just
> shouldn't be available at all.
> Regards,
> Bill Herrin

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