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). Good filtering at the transit provider border IMNSHO is the best way to solve this problem. Leslie On 8/13/10 10:59 AM, Greg Whynott wrote:
how does ARIN or whomever deal with similar situations where someone is advertising un-allocated, un-assigned by ARIN IP space in NA? do they have a deal/agreement with the 'backbone' providers?
-g
6. ARIN receives a fraud/abuse complaint that A's space is being used by B. 7. ARIN discovers that A is no longer using the space in accordance with their RSA 8. ARIN reclaims the space and A and B are left to figure out who owes what to whom.