The IP address 221.120.57 is provided by Long Distance & Mobile Business Group, it's belong to the CDIR (Classless Inter-Domain Routing) 221.120.64.0/21 (range 221.120.64.0 to 221.120.71.255). The autonomous system number (ASN) is 17421.
| ASN | 17421 |
| IP starting by | 221.120.64.0 |
| IP ending by | 221.120.71.255 |
| ASN Name | Long Distance & Mobile Business Group |
| CDIR | 221.120.64.0/21 |
| Numerical IP | |
| Registry | apnic |
| Last update | 22/12/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | TW | Taiwan | - | Taipei | 25.0478 | 121.5319 | 2017-12-22 |
| MaxMind | TW | Taiwan | - | Taipei | 25.0418 | 121.4966 | 2017-12-22 |
| Whois | TW | - | - | - | 121 | 24 | |
| W3C | - | - | - | - | - | - | - |