IP / ASN / Domain Lookup

IP Lookup Result
IP Address
121.139.173.242
checkipcheckip
Location
South Korea,Gyeonggi-do,Siheung-si
ASN
ISP
Korea Telecom
Company
ISP
Korea Telecom
Longitude
126.7888
126.7888
Latitude
37.3906
37.3906
Native IP
Residential
Residential
Native IP
19%Risk Score
  
19% Risk Score
IP Address (Decimal)
2039197170
checkipcheckip
Latency
US
HK
CA
GB
DE
AU
ASN History
ASN History
Network
AS Organization
Country
First Seen
Last Seen
121.136.0.0/13
ISP
Korea Telecom
Australia
📅 2017-01-01 08:33
📅 2025-10-20 00:47
121.128.0.0/12
ISP
Korea Telecom
Australia
📅 2017-01-01 08:39
📅 2025-10-20 00:46
121.128.0.0/11
ISP
Korea Telecom
Australia
📅 2017-01-01 08:39
📅 2025-10-20 00:46
121.0.0.0/8
ISP
MTN SA
South Africa
📅 2003-12-09 13:07
📅 2004-01-22 19:42
121.0.0.0/8
ISP
Harbor Communications
United States
📅 2003-03-03 02:55
📅 2003-03-03 03:44
Company History
Company History
Network
First Seen
Last Seen
ENT
NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK
121.127.64.0/8
📅 2022-12-08 23:20
📅 2025-10-20 14:13
ISP
APNIC-121
121.0.0.0/8
📅 2006-01-06 08:00
📅 2025-10-20 14:09
ISP
KORNET-KR
121.128.0.0/11
📅 -
📅 2025-10-20 11:55
Registration History
Status
Network
Registry
Country
First Seen
Last Seen
121.127.64.0/8
rirRIPE
European Union
📅 2022-12-08 23:20
📅 2025-10-20 14:13
121.0.0.0/8
rirARIN
--
📅 2006-01-06 08:00
📅 2025-10-20 14:09
121.128.0.0/11
rirAPNIC
South Korea
📅 -
📅 2025-10-20 11:55