The academic information network SINET6 will be undergoing maintenance work on the dates below.
Internet communication from the university will be interrupted 1-3 times for about 15 minutes during this time period.
2022/9/5 (Mon) 03:00-04:30: Tokyo Satellite only- 2022/9/17 (Sat): 03:00-04:30: Entire campus (including Ishikawa Campus, Tokyo Satellite, dormitories, staff dormitories, etc.)
Reference) National Institute of Informatics Science Information Network SINET6
https://www.sinet.ad.jp/news/2022-08-08post-14978 (Japanese)