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Re: IP announce DOS
From: Micheal Espinola Jr <michealespinola () gmail com>
Date: Thu, 9 Jun 2005 11:41:20 -0400

I don't think there is anyone you can report them to that will take
any timely action against them.

How have you attempted to escalate the issue with the old ISP?

Have you contacted your new ISP to try to resolve the issue through them?

On 6/8/05, Alex Thurlow <buddychrist () gmail com> wrote:
I'm not positive this is the correct list to ask, but it is a security
concern, so I thought I would.  The company I work for had T1 lines
running to our office provided by a local provider.  We had our own C
block of IPs being announced by them and routed to us over those T1s.
Our relationship with them went sour (for many reasons I won't get into
here), and we had to move to a different provider.  We had the routing
switched over to them.  Everything was fine.  Here it is a few weeks
later, and suddenly our old provider starts announcing these IPs again.
The end result is a partial DOS attack (hence writing to this list) as
some people can't reach us.  They won't stop the announcement.  I don't
know all the details on what they've said there as it's now gone to
executives and legal people dealing with them.  Is there anything we can
do here from a network standpoint?  Someone we can report them to?  How
do people protect themselves from just anyone announcing IPs that aren't

Thanks in advance,
Alex Thurlow


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