After a little digging I found that QuadraNet acquired IPTelligent in February 2011. http://www.linkedin.com/company/iptelligent
I found their abuse@quadranet.com address. But there was no response. I Googled some more, and found LinkedIn pages and Facebook pages from QuadraNet. When I wrote them on Facebook, they replied. I got another mail address for a guy called Jordan Goldman <j.goldman@quadranet.com>
Their answer was: "This has been forwarded to our client to remove the abusive user."
I got through to them
http://www.linkedin.com/company/iptelligent
I found their abuse@quadranet.com address. But there was no response.
I Googled some more, and found LinkedIn pages and Facebook pages from QuadraNet.
When I wrote them on Facebook, they replied.
I got another mail address for a guy called Jordan Goldman <j.goldman@quadranet.com>
Their answer was: "This has been forwarded to our client to remove the abusive user."
Hope it helps