Notice: data is being updated, so some fields may be inaccurate.
Location
South Korea,Gyeonggi-do,Seongnam-si (Buljeong-ro)
ASN Owner
DataCenterNATIONAL INFORMATION RESOURCES SERVICE. Company
DataCenterNATIONAL INFORMATION RESOURCES SERVICE. Network & routing
203.254.121.239South Korea Loading...
ASN History
Network
AS Organization
Country
First Seen
Last Seen
203.254.121.0/24
DataCenterNATIONAL INFORMATION RESOURCES SERVICE
South Korea
2026-07-02 18:07
2026-11-09 17:14
203.254.121.0/24
DataCenterKorea Internet Security Agency
South Korea
2005-04-29 23:13
2006-08-04 17:35
203.254.121.0/24
ISPKorea Telecom
South Korea
2004-01-31 12:39
2005-04-29 23:05
Organization registration history
Network
First seen
Last active
No verified organization registration records
Registration History
Registry
Country
First Seen
Last Seen
--
IP Location History
Location
Time
--
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.
