How do I determine who the ISP of an IP is? - Super User
https://superuser.com/questions/854236/how-do-i-determine-who-the-isp-of-an-ip-is
WEBDec 18, 2014 · 3 Answers. Sorted by: 7. You'll need to perform a whois lookup to get information about an ip address. There are a few major organisations who keep track of IP addresses for certain areas, such as North America, South America, Europe, Asia, etc. There are also sites that will use all these databases and let you query globally.
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