Notice: data is being updated, so some fields may be inaccurate.
Location
United States, District of Columbia, Washington D.C. (Northeast Washington)
ASN Owner
DataCenterNational Defense Universityndu.edu Company
DataCenterNational Defense Universityndu.edu Loading...
ASN History
Network
AS Organization
Country
First Seen
Last Seen
216.21.18.0/24
DataCenterNational Defense University
United States
2017-01-01 08:37
2026-10-19 05:48
216.21.18.0/24
DataCenterKaiser Aluminum Fabricated Products, L.L.C.
United States
2001-10-27 07:26
2003-05-22 00:35
216.21.18.0/24
ISPAvailo Networks AB
Sweden
2002-04-10 02:12
2002-04-17 04:09
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.
