just go to-
Then type cinipac.net or 0.facebook.com
You will get ip's for any proxys site.
Goto-run(windows key+r) type cmd and hit enter
cmd black console will open In that type'
ping: "space" ur site name'then hit enter
For E.g., 'Ping www.google.co.in
There you'll find an address in the form of IP(decimal form),that is the IP of your Site.