Checks of vstab.cn's availability have been completed 52 times since June 27, 2021, a span of 1 248 days. On 2 occasions throughout conducted checks, vstab.cn operated successfully, affirming its most recent uptime on June 2, 2024, with a code 200. According to the summary, 50 tests resulted in vstab.cn being down, comprising 96.15% of inspections carried out, the latest being August 31, 2023. It has been confirmed that all responses received as of November 26, 2024, do not indicate any error statuses. In comparison with its average of 6.707 seconds, vstab.cn replied in 4.912 seconds on June 2, 2024.