No IP showing
 

ffff

What hacks do you have installed? Specifically, do any make any changes to the sessions table or to online.php?

Look in your database the next time you see somebody online with no ip showing. See if there is an ip for that user in the session table.

I honestly don't know if it's a bug or somebody has found a way to cloak themselves. I've never seen it happen on my board.

It most likely a google bot, just a guess if u did not know what it looks like or what name it registers or they have thier ip block like I know I can do the same as well but I do not need to cause my ip changes once or twice a month. :lick:

Even Google and other spiders show an IP address

I have seen this reported somewehre before, but can't recall where or the reason anymore.