Whois and Whowas
From Picture Tutorials
To whois a member, you type /whois nick. Example: /whois m0rtis
To whois a member and see their idle time, you type /whois nick nick. Example: /whois m0rtis m0rtis
If the member quits irc, you have about 10 minutes or less to still get a whois on them, by typing /whowas nick. Example: /whowas m0rtis
Channels set to private will not appear in the whois unless you are in the same channel with that member.
Idents/IP's can change often.
Servers do often change.
