A California based commercial Internet service provider whose clients included a laundry list of spammers and scammers is now offline, after the last of the company’s upstream Internet providers decided to the pull the plug. Atrivo, a.k.a “Intercage,” of Northern California, ceased to be reachable from any points on the Internet early Sunday morning when the ISP’s sole remaining provider – Pacific Internet Exchange (PIE) – stopped routing traffic for the troubled company. The final blow comes just weeks after Security Fix joined several researchers in publishing evidence that major portions of Atrivo’s network were being used to foist fake security software, Trojan horse programs, and other nastiness. As a result of those reports, several of Atrivo’s upstream providers dropped the company as a client. PIE agreed to provide routing for Atrivo after three other major upstream providers apparently decided it wasn’t worthy the negative publicity of being associated with