A short overview on the Ogame IRC-Server (OnlineGamesNet):

Host: irc.onlinegamesnet.net
Port: 6667
Channel: #ogame.org

Or when the irc protocoll for your browser is enabled (mIRC must be installed):
Connect to OnlineGamesNet!

Ogame thread
IRC commands
Account is Drako

Use the following cmd to change msgs to English
/AS Set Language C

Then you will see a list of all mIRC commands.

for the OnlineGamesNet services:

mIRC / Channel Services basic commands list

In addition checkout the help for some special features only supported by OnlineGamesNet:
code:

/cs help