bopm is an open-source proxy monitor, designed for use
with IRC daemons such as Bahamut, Hybrid/ratbox, Unreal,
Dancer, and any other which supports +c to show client
connects to opers; bopm will KLINE clients it considers
on an open proxy.  bopm also supports DNSBL lookups.

WWW: http://wiki.blitzed.org/BOPM