IP / ASN / Domain Lookup
IP Lookup Result
IP Address
203.237.221.10
Location
South Korea,Gyeonggi-do,Cheonan-si
ASN
Company
ISP
SK Broadband Co Ltd
Longitude
127.3005
127.3005
Latitude
37.0378
37.0378
Native IP
DataCenter
23%Risk Score
23% Risk Score
IP Address (Decimal)
3421363466
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.237.221.0/24 | ISP SK Broadband Co Ltd | South Korea | 📅 2024-01-01 18:59 | 📅 2025-10-20 11:55 | |
| 203.237.128.0/17 | ISP Korea Telecom | Australia | 📅 2003-01-11 16:19 | 📅 2025-10-13 03:20 | |
| 203.237.221.0/24 | ISP Korea Telecom | Australia | 📅 2018-12-26 05:01 | 📅 2023-12-28 19:21 | |
| 203.237.221.0/24 | ISP Korea Basic Science Institute | South Korea | 📅 2017-01-01 08:36 | 📅 2018-11-17 09:20 | |
| 203.237.216.0/21 | ISP Korea Basic Science Institute | South Korea | 📅 2003-04-04 18:39 | 📅 2004-02-06 13:45 | |
| 203.237.128.0/17 | ISP Availo Networks AB | Sweden | 📅 2002-04-10 01:41 | 📅 2002-04-17 04:08 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
ENT APNIC-203 | 203.0.0.0/8 | 📅 1994-04-05 08:00 | 📅 2025-10-31 17:44 |
ISP NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 203.202.234.0/10 | 📅 2024-12-30 23:33 | 📅 2025-10-31 17:06 |
ISP KREN-KR | 203.237.128.0/17 | 📅 - | 📅 2025-10-30 17:33 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.0.0.0/8 |  ARIN | -- | 📅 1994-04-05 08:00 | 📅 2025-10-31 17:44 | |
| 203.202.234.0/10 |  RIPE | European Union | 📅 2024-12-30 23:33 | 📅 2025-10-31 17:06 | |
| 203.237.128.0/17 |  APNIC | South Korea | 📅 - | 📅 2025-10-30 17:33 |
