Notice: data is being updated, so some fields may be inaccurate.
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ASN History
Network
AS Organization
Country
First Seen
Last Seen
221.231.0.0/17
DataCenterIDC, China Telecommunications Corporation
China
2010-04-08 23:59
2010-04-09 00:03
221.231.0.0/17
ISPAS Number for CHINANET jiangsu province backbone
China
2003-06-30 15:12
2003-07-03 18:08
Organization registration history
Network
Registered since
Verified / ended
No verified organization registration records
Registration History
Registry
Country
First Seen
Last Seen
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IP Location History
Location
Time
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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.
