Notice: data is being updated, so some fields may be inaccurate.
Location
United Kingdom, England, London
ASN Owner
DataCenterMicrosoft
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ASN History
Network
AS Organization
Country
First Seen
Last Seen
138.203.0.0/16
DataCenterMicrosoft
United States
2026-06-11 20:59
2026-10-22 18:49
138.203.0.0/16
ISPProximus AS5488
Belgium
2017-01-01 08:35
2024-01-18 00:02
138.203.0.0/16
DataCenterProximus
Belgium
2010-03-16 20:54
2012-01-30 12:51
138.203.0.0/16
ISPProximus NV
Belgium
2002-03-01 23:23
2010-03-16 20:53
138.203.0.0/16
DataCenterRIPE NCC ASN block
/ --
2001-10-27 05:48
2002-03-01 23:21
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.
