The IP address 221.133.57 is provided by INet Technologies Co., Ltd., it's belong to the CDIR (Classless Inter-Domain Routing) 221.133.48.0/20 (range 221.133.48.0 to 221.133.63.255). The autonomous system number (ASN) is 9712.
| ASN | 9712 |
| IP starting by | 221.133.48.0 |
| IP ending by | 221.133.63.255 |
| ASN Name | INet Technologies Co., Ltd. |
| CDIR | 221.133.48.0/20 |
| Numerical IP | |
| Registry | apnic |
| Last update | 19/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Seoul | 37.5683 | 126.9778 | 2017-07-03 |
| MaxMind | KR | South Korea | - | - | 37.5112 | 126.9741 | 2017-07-03 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |