RelicNet - Medium-sized IRC Network with services (chanserv/nickserv). Founded in 1997. - http://www.relic.net/
RebelChat - Server list, channel registrations, statistics, Java games. Also provides links to clients and policy statement. - http://www.rebelchat.org/
RIRC - Provides information about their services, e-zine, servers, staff, contact, and help. - http://www.rirc.net/