9 availability checks were conducted for ihs.ac.cn within a 1 210 day period starting on October 4, 2021. Ihs.ac.cn was reported as experiencing downtime or having technical difficulties in each check conducted as of January 26, 2025. 9 times, or 100.00% of the checks, ihs.ac.cn was unavailable, with the most recent event occurred on October 18, 2024. Replies received as of January 26, 2025, confirm that no response had an error status code. On October 18, 2024, ihs.ac.cn responded in a time of — seconds, which contrasted with its average response time of 0.001 seconds.