Notice: data is being updated, so some fields may be inaccurate.
Loading...
ASN History
Network
AS Organization
Country
First Seen
Last Seen
222.17.0.0/21
DataCenterCERNET-CN
China
2026-07-02 18:08
2026-10-18 19:53
222.17.0.0/21
DataCenterCERNET2 IX at South China University of Technology
China
2022-09-06 05:15
2023-05-09 00:02
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.
