Re: Seams to me that Level 3 commited a criminal a
Are you on crack? No one blackholed anyone. Level3 disconnected the peering sessions. Cogent was not advertising their routes via another transit provider, so Level3 saw no routes. This was all Cogent's fault.
If Covad was having routing problems to Level3, then that's a case of incompetence on their part, not a problem of either Level3 or Cogent.