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SI Lookup
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Version
1.0
If you have a domain name, you can use one of the
numerous Whois tools to determine its owner. Whois
provides complete information about the owner of any
domain name, up to the level of mailing addresses and
telephone numbers. But what if you don’t have a domain
name? What if all you have is a mere IP address? Or
what if you don’t need information about the domain
name, but are much more interested in who owns the Web
server where it’s hosted?
Quite often it is still possible to determine the
owner, or, rather, the assignee, of an IP address. IP
addresses in North America are assigned by ARIN, an
independent, nonprofit corporation that provides IP
registration. It is possible to unveil details about
the organization that uses a particular IP address,
or, to be precise, a block of IP addresses.
There are no tools that come with Windows which can
look up information about an IP address. Instead, you
can visit ARIN database, learn about its query syntax,
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