Notice: data is being updated, so some fields may be inaccurate.
Location
United States, Illinois, Chicago
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ASN History
Network
AS Organization
Country
First Seen
Last Seen
216.21.4.0/24
DataCenterFORESTRACKS !
United States
2025-02-22 17:34
2026-10-19 08:32
216.21.4.0/24
DataCenterRIPE NCC ASN block
United Kingdom
2025-01-16 22:04
2025-02-22 17:34
216.21.4.0/24
DataCenterKaiser Aluminum Fabricated Products, L.L.C.
United States
2001-10-27 23:38
2002-03-27 03:19
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.
