Notice: data is being updated, so some fields may be inaccurate.
ASN Owner
DataCenterNational Agency for Scientific and Technological Information. Company
DataCenterNational Agency for Scientific and Technological Information. Loading...
ASN History
Network
AS Organization
Country
First Seen
Last Seen
203.191.48.0/21
DataCenterNational Agency for Scientific and Technological Information
Vietnam
2026-07-02 18:21
2026-10-19 13:46
203.191.48.0/21
DataCenterIDC, China Telecommunications Corporation
China
2010-04-08 23:59
2010-04-09 00:02
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.
