* + 10.20.20.1   bk-a3-gw.bk.zcu.cz
	|___    25  [smtp]   Simple Mail Transfer
* + 10.20.20.119   X-SOFT
	|___    21  [ftp]   File Transfer [Control]
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.122   orka.bk.zcu.cz
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.123   vir.bk.zcu.cz
	|___    21  [ftp]   File Transfer [Control]
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.130   phoenix.bk.zcu.cz
	|___    21  [ftp]   File Transfer [Control]
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.132   osaka.bk.zcu.cz
	|___    21  [ftp]   File Transfer [Control]
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.136   morphix.bk.zcu.cz
	|___    21  [ftp]   File Transfer [Control]
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.152   lsd.bk.zcu.cz
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.153   romant.bk.zcu.cz
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.154   lr.bk.zcu.cz
	|___    21  [ftp]   File Transfer [Control]
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.160   hard.bk.zcu.cz
	|___    21  [ftp]   File Transfer [Control]
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.162   radim.bk.zcu.cz
	|___    25  [smtp]   Simple Mail Transfer
	|___   110  [pop3]   Post Office Protocol - Version 3
	|___   139  [netbios-ssn]   NETBIOS Session Service
	|___    21  [ftp]   File Transfer [Control]
* + 10.20.20.168   MARTINP
	|___    21  [ftp]   File Transfer [Control]
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.170   honza.bk.zcu.cz
	|___    21  [ftp]   File Transfer [Control]
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.176   viking.bk.zcu.cz
	|___    21  [ftp]   File Transfer [Control]
	|___    23  [telnet]   Telnet
	|___    79  [finger]   Finger
	|___    80  [http]   World Wide Web HTTP
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.180   hofik.bk.zcu.cz
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.192   miri.bk.zcu.cz
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.206   soulet.bk.zcu.cz
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.208   vitlord.bk.zcu.cz
	|___    21  [ftp]   File Transfer [Control]
	|___   139  [netbios-ssn]   NETBIOS Session Service
* + 10.20.20.216   cudlik.bk.zcu.cz
	|___    80  [http]   World Wide Web HTTP
	|___   139  [netbios-ssn]   NETBIOS Session Service