Notice: data is being updated, so some fields may be inaccurate.
ASN Owner
DataCenterComputer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)cnic.cn Company
DataCenterComputer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)cnic.cn Loading...
ASN History
Network
AS Organization
Country
First Seen
Last Seen
210.77.12.0/23
DataCenterComputer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
China
2026-07-02 18:10
2026-10-17 00:11
210.77.12.0/23
DataCenterCERNET-CN
China
2018-01-08 12:09
2021-09-19 02:45
Organization registration history
Network
Registered since
Verified / ended
No verified organization registration records
Registration History
Registry
Country
First Seen
Last Seen
--
IP Location History
Location
Time
--
Recent queries
Latest 20 per typeExplore recently queried IP addresses.
Open IP→Compare round-trip latency and packet loss from different locations.
Open PING→History opens saved results. Select “Run again” to start a new test.
Inspect route paths, hop addresses and response times from different locations.
Open Traceroute→History opens saved results. Select “Run again” to start a new test.
Compare DNS records, resolvers and response times across locations.
Open DNS→History opens saved results. Select “Run again” to start a new test.
Combine route tracing with repeated probes to inspect hop latency and loss. Intermediate hop rate limiting does not establish destination packet loss.
Open MTR→History opens saved results. Select “Run again” to start a new test.
Inspect HTTP status, response headers and request timings from different locations.
Open HTTP→History opens saved results. Select “Run again” to start a new test.
