I wrote: That's a bad example, because it's not Verizon. The contributions do hav a lot of unwanted communication, though. http://en.wikipedia.org/wiki/Wikipedia:Requests_for_checkuser/Case/Grawp http://en.wikipedia.org/w/index.php?title=User:71.107.165.252&action=ed… That is Verizon. http://en.wikipedia.org/w/index.php?title=User:70.121.43.80&action=edit… That is Herndon, Virginia, but roadrunner. http://en.wikipedia.org/w/index.php?title=User:151.32.140.76&action=edi… Italia, Online. Either it's a copycat or a proxy. http://en.wikipedia.org/w/index.php?title=User:70.217.243.230&action=ed… That is Verizon wireless, New Jersey. Following whois links might get you information you want, and I hav found them non-functional, lately. The whois server that wikipedia uses was changing our "nocache" request to "cache" for good technical reasons. Their connection to arin was recently failing, so I am using http://www.kloth.net/ in Deutschland.