nanog mailing list archives

Re: The block message is 521 DNSRBL: Blocked for abuse


From: Andrew D Kirch <trelane () trelane net>
Date: Wed, 18 Sep 2013 18:46:40 -0400

On 9/18/2013 6:41 PM, Timothy Metzinger wrote:
Here's a thought.  Would it be possible to set up a process where ARIN, as
part of reselling IP addresses, either issues a certificate of transfer that
the new owner can use to prove to the ISPs that he's a new owner and not the
old evil spammer, or ARIN publishes a list of IP assignments that can be
used by ISPs to provisionally remove them from blocked lists?

I sympathize with the original poster, it's sort of like buying a used car,
only to find out the previous owner was the drunk driver who ran over your
next door neighbor's dog.


I used to run the AHBL and ARIN used to contact us when they recycled IP space. We always removed when contacted by ARIN.

Andrew


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