> Been using spamcop for spam reports and 32% of the spam I get come
> from a the networks of genuity.net.

Directly, or they happen to be under Genuity's AS? 
Genuity/BBNPlanet provides transit to many huge access and content
providers, including a very large portion of AOL customers. So it's only
their fault indirectly, because of their customers. 

Andy