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Proof of ownership; when someone demands you remove a prefix
i have been the requestor of such actions before, and i generally sent the
take-down request with a referral to the ARIN entry with the netblock, which
shows the appropriate contacts.
i always sent the request from the account listed as ADMIN contact for
the netblock or OrgID.
in the request i noted that ARIN is the ultimate arbitor of who "owns" a block,
and as such you can validate my request for takedown by contacting me through
the details listed on their site. (i then provide the arin.net link).
anyone receiving such a request, who validated it through the ARIN data, should
probably act on it.
if the request is coming from anyone other than the ARIN ADMIN contact, the
response should be "we only accept such requests from parties what we can
authenticate through ARIN".
if the renter, et al, have not updated the ARIN data, then, that is their
problem, not yours, as you would have done your due diligence.
if they are not authorized by ARIN to speak on behalf of the block, i would be
very cautious about proceeding.
if they are unable to get the request sent on behalf of the ARIN ADMINs, then,
also, i would be very cautious about proceeding.
(i suspect that all of this could also apply to RIPE/etc/etc, but i have not
had to do so).
On Mon, Mar 12, 2018 at 04:18:48PM -0400, William Herrin wrote:
> On Mon, Mar 12, 2018 at 3:46 PM, Sean Pedersen
> <spedersen.lists at gmail.com> wrote:
> > I was just curious what others have experienced. Since so much of the Internet is "best effort" in terms of validation, I wasn't sure if there was much else that could be done.
> Hi Sean,
> The best practice is to go for the status quo while you figure it out.
> How long have you been announcing the prefix? If only briefly, stop.
> If you've been announcing it for a long time, keep doing so.
> The RIR is the arbiter of who controls the address space. That's the
> purpose of a registry. Reach out to the published POC by email, by
> phone and if necessary by postal mail. Until you get a response to the
> query YOU initiated to the POC, stick with the status quo.
> Bill Herrin
> William Herrin ................ herrin at dirtside.com bill at herrin.us
> Dirtside Systems ......... Web: <http://www.dirtside.com/>
Jim Mercer Reptilian Research jim at reptiles.org +1 416 410-5633
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arriving safely in a pretty and well preserved body, but rather
to skid in broadside in a cloud of smoke, thoroughly used up,
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