pstmp21  [ arich01, for sparc, daq machine ]
  pstmp22  [ arich-lp2500, for laser printer ]
  pstmp23  [ arich03, main PC ]
  pstmp24  [ arich04, daq monitoring   ]
  pstmp26  [ pidpcat2, FPGA programing ]
  pstmp26  [ for maintenor     ]
  pstmp27  [ accpc01, for user ]
  pstmp28  [ rok    ]
  pstmp29  [ samo   ]
  pstmp30  [ andrej ]
                                                                                                                       
 - we can use wireless LAN also ( tsubaki )
 - Detailed info.
     broad cast adress : 130.87.223.255
     subnet mask       : 255.255.248.0
     gateway           : 130.87.216.1
     name server       : 130.87.216.2, 130.87.34.2
     domain name       : kek.jp