The IP address 221.155.181 is provided by Korea Telecom, it's belong to the CDIR (Classless Inter-Domain Routing) 221.144.0.0/12 (range 221.144.0.0 to 221.159.255.255). The autonomous system number (ASN) is 4766.
| ASN | 4766 |
| IP starting by | 221.144.0.0 |
| IP ending by | 221.159.255.255 |
| ASN Name | Korea Telecom |
| CDIR | 221.144.0.0/12 |
| Numerical IP | |
| Registry | apnic |
| Last update | 31/07/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Vijongbu | 37.7415 | 127.0474 | 2019-07-31 |
| MaxMind | KR | South Korea | - | Koesan | 36.8108 | 127.7947 | 2019-07-31 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |