Check these if you want a closer look at IRCnet's ircd:

http://www.irc.org/ftp/irc/server/
The IRCD software.

http://www.irc.org/mla/ircd-dev/
The IRCD development group mailing-list.

http://www.irc.org/mla/ircd-users/
The IRCD users mailing-list.

webmaster@web.irc.org