dh.ircnet.ne.jp
 |- dev.ircnet.ne.jp
 |- *.nl
 |   |- *.it
 |   |- *.fi
 |   |   `- *.cz
 |   |- hub.us.ircnet.com
 |   |   `- dev.ircnet.ca
 |   |- *.pl
 |   |   `- hub.uk
 |   |       |- *.si
 |   |       |- *.onion
 |   |       |- *.DE
 |   |       |   `- *.at
 |   |       |- *.dotsrc.org
 |   |       |- hub.us
 |   |       |   `- irc.us.ircnet.net
 |   |       |- ircnet.hostsailor.com
 |   |       |- tngnet.ircnet.io
 |   |       |- *.hu
 |   |       |   |- irc.atw-inter.net
 |   |       |   `- ssl.irc.atw-inter.net
 |   |       |- *.se
 |   |       |- irc.spadhausen.com
 |   |       |- *.ee
 |   |       |- irc.swepipe.net
 |   |       |- *.be
 |   |       |- irc.psychz.net
 |   |       `- *.no
 |   `- irc.nlnog.net
 `- irc.media.kyoto-u.ac.jp