Lightly used IP addresses

John Curran jcurran at
Fri Aug 13 21:24:46 UTC 2010

On Aug 13, 2010, at 5:18 PM, Dan White wrote:

> On 13/08/10 21:04 -0000, John Levine wrote:
>>> I've tried to deal with that a few times - mainly by writing up the
>>> first upstream AS.  Usually they don't care (and every time I have
>>> noticed someone blatantly stealing space, it's been spammers).
>> Has there ever been a case where ARIN has tried to take a block back
>> from a party to whom they had allocated it and doesn't want to give it
>> back?  My impression is that stolen space is all swamp or legacy or
>> abandoned, but I really don't know.
>> In case it's not obvious, I'm not advocating that people thumb their
>> noses at ARIN, but I don't see any obvious way to avoid my scenario.
> Make a public example of the situation. Assign such a block to an ARIN
> member with extensive legal resources who's willing to send some nasty
> letters out, and back it up with court action to establish legal
> precedence.
> Or ARIN could do so itself on the grounds of breach of contract.
> Of course, said block should clearly fall within ARIN's domain, backed up
> with a signed contract from the original party. 

Yes, we have returns, revocations, and reclamations occurring routinely. 
They're covered in the same Toronto Registration services report that I 
referenced earlier on page 5. 


John Curran
President and CEO

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