From: Port Angeles, WA, USA
|does anybody know some offical site, or useful site or tool that tells who owns whaat IP ranges (like which ISP does).. i have a couple of ISP's that i want to find out their IP ranges so that i can get my company not to block those ranges, so that i can use those isp's when i am travelling to a country we ussually block completely..
From: British Columbia, Canada
|There are several, depending on what part of the world you are talking about:
What you're looking for on those sites is a WHOIS search tool. Type in the IP address in question and they should tell you who they are assigned to.