Here are a few IRC servers you could send your bot on... Try to send it to
a server near your physical location. Note that not all these servers
allows bots, so check the /MOTD first.

Undernet:
okc.ok.us.undernet.org
sandiego.ca.us.undernet.org
baltimore.md.us.undernet.org
montreal.qu.ca.undernet.org
dallas.tx.us.undernet.org
lowell.ma.us.undernet.org
caen.fr.eu.undernet.org
vancouver.bc.ca.undernet.org
diemen.nl.eu.undernet.org
washington.dc.us.undernet.org
chicago.il.us.undernet.org
saltlake.ut.us.undernet.org
london.uk.eu.undernet.org
Efnet:
irc.primenet.com
irc.uiuc.edu
irc.voicenet.com
irc.gate.net
irc.cs.cmu.edu
irc.concentric.net
irc.cdc.net
irc.visi.com
efnet.telstra.net.au
Others:
irc.myst.net
irc.starwell.com
irc.cybered.net
irc.chatnet.org