This tool allows you to perform IP Whois lookups. Whois database contains data about the registrar and in some cases, full contact information of the owner. Every registrar maintains a Whois database containing all contact information for each domain they are registrars of. Useful information sometimes provided is IP ranges, when you want to ban IP address from your server, you might consider banning the whole IP range.
Please wait, each lookup might take a little while.
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