Notice: data is being updated, so some fields may be inaccurate.
Location
United States, Illinois, Chicago (West Loop)
ASN Owner
DataCenterNeuStar, Inc.
Company
DataCenterNeuStar, Inc.
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ASN History
Network
AS Organization
Country
First Seen
Last Seen
156.154.203.0/24
DataCenterNeuStar, Inc.
United States
2026-09-04 01:58
2026-10-19 23:15
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.
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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.
