IP / ASN / Domain Lookup
IP Lookup Result
IP Address
203.243.128.239
Location
South Korea,Seoul,Seoul
ASN
Company
Longitude
126.9784
126.9784
Latitude
37.566
37.566
Native IP
Residential
19%Risk Score
19% Risk Score
IP Address (Decimal)
3421733103
Latency
US
-
HK
-
CA
-
GB
-
DE
-
AU
-
ASN History
ASN History | Network | AS Organization | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.243.128.0/21 | ISP Sejong Telecom | South Korea | 📅 2025-06-18 14:18 | 📅 2026-01-23 09:57 | |
| 203.243.128.0/17 | ISP Sejong Telecom | South Korea | 📅 2004-02-06 13:45 | 📅 2026-01-23 09:57 | |
| 203.243.128.0/24 | IDC AgotoZ HK | Hong Kong SAR China | 📅 2025-11-27 10:12 | 📅 2026-01-23 09:56 |
Company History
Company History | Network | First Seen | Last Seen |
|---|---|---|---|
IDC AgotoZ HK | 203.243.128.0/24 | 📅 2025-11-27 10:12 | 📅 2026-01-21 01:26 |
ISP Sejong Telecom | 203.243.128.0/21 | 📅 2025-06-18 14:18 | 📅 2026-01-22 18:58 |
ISP Sejong Telecom | 203.243.128.0/17 | 📅 2004-02-06 13:45 | 📅 2026-01-22 19:04 |
Registration History
Status | Network | Registry | Country | First Seen | Last Seen |
|---|---|---|---|---|---|
| 203.243.128.0/17 |  APNIC | South Korea | 📅 - | 📅 2026-01-04 22:54 |
