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How do I figure out who owns an IP address?

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Summary: While you can not find the specific owner of an IP address, you can find their ISP using a WHOIS search.

How do I figure out who owns an IP address?

You may not be able to get to the specific owner in all cases, but you can find out who owns the block of IP addresses that this address comes from, which is typically the ISP. It's called a WHOIS search. One good source is the ARIN database.

Article C2132 - July 19, 2004

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Recent Comments
88 Comments

i just read a comment found on my blog and am very interested in seeing who this person is.

the tag left gave me a IP address of 220.255.253.6

any pointers of how i can get to obtaining the person's or address's info?

thank you.

Posted by: liling(: at April 7, 2007 10:34 AM

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YOur question is answered in the short article you just commented on. At the
top of the page.

Leo
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Posted by: Leo A. Notenboom at April 7, 2007 10:45 AM

i am going to be sending an e-mail to someone not threating or hostile, i will be letting someone know someone is cheating........... can they trace the hot mail or yahoo account.

Posted by: Sandra at August 2, 2007 9:07 AM

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The average person cannot.

Law enforcement almost certainly can.

Leo

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Posted by: Leo A. Notenboom at August 4, 2007 5:03 PM

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I'm closing comments on this article.

Please read
http://ask-leo.com/how_do_i_find_out_whos_at_a_particular_ip_address.html for
information on tracing IP addresses, and what it takes to do so.

Leo


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Posted by: Leo A. Notenboom at August 21, 2007 1:41 PM

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