The IP address 221.168.121 is provided by Korea Telecom, it's belong to the CDIR (Classless Inter-Domain Routing) 221.168.0.0/16 (range 221.168.0.0 to 221.168.255.255). The autonomous system number (ASN) is 4766.
| ASN | 4766 |
| IP starting by | 221.168.0.0 |
| IP ending by | 221.168.255.255 |
| ASN Name | Korea Telecom |
| CDIR | 221.168.0.0/16 |
| Numerical IP | |
| Registry | apnic |
| Last update | 12/11/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | TW | Taiwan | - | Taipei | 25.0478 | 121.5319 | 2018-11-12 |
| MaxMind | TW | Taiwan | - | Taipei | 25.0418 | 121.4966 | 2018-11-12 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |