dh.ircnet.ne.jp
 `- irc.media.kyoto-u.ac.jp
     `- irc-2112p3.media.kyoto-u.ac.jp
         `- hub.uk
             |- irc.psychz.net
             |- ircnet.hostsailor.com
             |- *.be
             |- *.nl
             |   |- *.si
             |   |- *.fi
             |   |   |- *.cz
             |   |   `- *.no
             |   |- irc.nlnog.net
             |   `- *.it
             |- *.ee
             |- *.hu
             |   |- irc.atw-inter.net
             |   `- ssl.irc.atw-inter.net
             |- *.irc6.net
             |- irc.us.ircnet.net
             |- *.dotsrc.org
             |- *.at
             |   |- *.pl
             |   `- *.DE
             `- *.se