Atrivo/Intercage: Now Only 1 Upstream

Steve Gibbard scg at
Wed Sep 17 18:39:09 CDT 2008

On Wed, 17 Sep 2008, David Ulevitch wrote:

> Reputation based on src_addr is /so/ 2005.  ASN has a few more legs 
> perhaps... but...
> All the growth in Internet-connected compute clouds (EC2, AppNexus, GoGrid, 
> etc.) makes any system based around IP reputation decidedly less useful.
> At the end of the day, nobody is going to drop packets for amazon's IP space.

While I can't speak for the others on your list, we have been putting a 
fair amount of thought into abuse detection and mitigation at GoGrid.  We 
are well aware of the problems we would have if our address space were to 
end up with a bad reputation.  If stuff does get through that shouldn't, 
please contact abuse at and we'll take care of it.


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