In the span of 899 days starting on June 15, 2022, the report indicates vsop.isas.ac.jp passed 1 uptime tests. Out of every conducted check, vsop.isas.ac.jp was up 1 times, the latest being on June 15, 2022, responding with a code 200. As of November 30, 2024, every review that was done on vsop.isas.ac.jp indicated that there were no cases of inactivity. As of November 30, 2024, all responses have been confirmed to be error-free, according to received replies. The response time of 2.280 seconds for vsop.isas.ac.jp on June 15, 2022, differed from its 2.280 seconds average.