Notice: data is being updated, so some fields may be inaccurate.
Location
China,Jiangsu,Nanjing
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Network & routing
180.201.4.109China ASN History
Network
AS Organization
Country
First Seen
Last Seen
180.201.0.0/19
DataCenterCERNET-CN
China
2017-01-01 17:46
2026-11-11 00:10
180.201.0.0/19
DataCenterCERNET2 IX Route Servers
China
2021-10-25 12:02
2025-03-06 19:08
Organization registration history
Network
First seen
Last active
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.
