dh.ircnet.ne.jp
 `- irc.media.kyoto-u.ac.jp
     `- irc-2112p3.media.kyoto-u.ac.jp
         `- hub.uk
             |- *.dotsrc.org
             |- irc.psychz.net
             |- *.si
             |- *.hu
             |   |- irc.atw-inter.net
             |   `- ssl.irc.atw-inter.net
             |- *.onion
             |- ircnet.hostsailor.com
             |- irc.us.ircnet.net
             |- *.be
             |- irc.nlnog.net
             |- *.DE
             |- *.ee
             |- *.se
             |- *.irc6.net
             `- *.at
                 |- *.nl
                 |   |- *.fi
                 |   |   `- *.cz
                 |   `- *.it
                 `- *.pl