On the past week-end, following NIG network connection trouble had happend

- Time: May 28 (Sat) around13:08(JST)
- Trouble: disabled network connection to133.39.22.x (connection to
the following servers were disabled)
  - servers for researchers
  - homology search servers
  - ClustalW servers
  - file servers¡¢getentry, SRS
  - back-up server
  - ARSA servers
- Recovery: already recovered at May 30 (Mon) 9:15¡¡
We apologize very much for this trouble.