IP / ASN / Domain Lookup
IP Lookup Result
IP Address
203.243.128.250
Location
South Korea,Seoul,Seoul
ASN
Company
ISP
SEJONG NETWORKS
Longitude
126.9784
126.9784
Latitude
37.566
37.566
Native IP
Residential
19%Risk Score
19% Risk Score
IP Address (Decimal)
3421733114
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.243.128.0/24 | IDC AgotoZ HK | Hong Kong SAR China | 📅 2025-11-27 10:12 | 📅 2026-01-02 14:29 | |
| 203.243.128.0/21 | ISP Sejong Telecom | South Korea | 📅 2025-06-18 14:18 | 📅 2026-01-02 14:29 | |
| 203.243.128.0/17 | ISP Sejong Telecom | South Korea | 📅 2004-02-06 13:45 | 📅 2026-01-02 14:28 | |
| 203.243.128.0/24 | ISP Sejong Telecom | South Korea | 📅 2025-06-18 21:15 | 📅 2025-10-31 23:18 | |
| 203.243.128.0/21 | ISP PUSAN CABLE TV SYSTEM CO., LTD. | South Korea | 📅 2012-01-30 23:56 | 📅 2023-07-25 16:19 | |
| 203.0.0.0/8 | ISP Gixe | France | 📅 2009-06-08 03:17 | 📅 2010-03-05 00:26 | |
| 203.0.0.0/8 | GOV RIPE NCC ASN block | -- | 📅 2006-02-28 23:19 | 📅 2006-02-28 23:26 | |
| 203.243.128.0/17 | ISP I.Net Technologies Inc. | South Korea | 📅 2001-10-29 03:18 | 📅 2003-10-28 05:22 | |
| 203.243.128.0/17 | ISP Availo Networks AB | Sweden | 📅 2002-04-17 06:19 | 📅 2002-04-17 06:22 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
IDC APNIC-AP | 203.0.0.0/8 | 📅 2023-09-05 09:46 | 📅 2026-01-04 17:59 |
ENT APNIC-203 | 203.0.0.0/8 | 📅 1994-04-05 08:00 | 📅 2026-01-04 13:15 |
ISP NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 203.202.234.0/10 | 📅 2024-12-30 23:33 | 📅 2026-01-04 13:15 |
IDC SEJONG-KR | 203.243.128.0/17 | 📅 - | 📅 2026-01-02 14:29 |
IDC SEJONG-KR | 203.243.128.0/17 | 📅 - | 📅 2026-01-02 14:29 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.0.0.0/8 |  APNIC | Australia | 📅 2023-09-05 09:46 | 📅 2026-01-04 17:59 | |
| 203.0.0.0/8 | APNIC | Australia | 📅 2023-09-05 09:46 | 📅 2026-01-04 17:59 | |
| 203.0.0.0/8 |  ARIN | -- | 📅 1994-04-05 08:00 | 📅 2026-01-04 13:15 | |
| 203.202.234.0/10 |  RIPE | European Union | 📅 2024-12-30 23:33 | 📅 2026-01-04 13:15 | |
| 203.243.128.0/17 | APNIC | South Korea | 📅 - | 📅 2026-01-02 14:29 | |
| 203.243.128.0/17 | APNIC | South Korea | 📅 - | 📅 2026-01-02 14:29 | |
| 203.243.128.0/17 | APNIC | South Korea | 📅 - | 📅 2026-01-02 14:29 |
