no..works from statusbar(xul-interface dependant)
there are 2 ip-related extensions there
http://kmext.sourceforget.net
1 displats website ip in a toolbox(dispip) with button to get more info from whois
the other constip displays website ip in the kmeleon titlebar
also mark made an ip kplugin toolbar
http://mark307.hp.infoseek.co.jp/#ipbar