tor-exit-node.7by7.de spammed me today, so I decided to track them down. There is not much on him, but he is a tor exit server.
It is too bad that tor exit servers are used for spamming, as many sites will ban them. Banning due to spamming really defeats the purpose of tor. The best intentions result in misuse.
tor-exit-node.7by7.de 72.52.91.19
tor-exit-node.7by7.de 72.52.91.30
tor-exit-node.7by7.de 96.44.189.101
tor-exit-node.7by7.de 213.61.149.100
7by7.de 91.236.122.1