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Is there a way to locate somebody by his nick or IP address on the internet's IRC servers?

I guess the protocol doesn't seem to support it! Still... can it be done? like crawling the web for IRC servers and injecting bots to query about if that nick/IP is online on one of the channels?

Is there a simpler way?

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up vote 3 down vote accepted

search engines

The simplest way I've ever seen is to use a service such as searchirc.com.

    ss of searchirc

web frontends

Some of the IRC servers provide web frontends to the /whois command so if you know someone frequents a particular IRC server you can search for them using those. For example:


Lastly there are lists of servers so you can go through the various servers and look for users in a brute force kind of fashion.

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No server list is exhaustive, though. Just like Google cannot find pages they don't know about. – tripleee Jul 11 '13 at 5:15
@tripleee - thank for qualifying that. – slm Jul 11 '13 at 11:19

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