The IP address 203.166.221 is provided by 43/F, AIA Tower, 183 Electric Road, North Point, Hong Kong, it's belong to the CDIR (Classless Inter-Domain Routing) 203.166.220.0/22 (range 203.166.220.0 to 203.166.223.255). The autonomous system number (ASN) is 63981.
| ASN | 63981 |
| IP starting by | 203.166.220.0 |
| IP ending by | 203.166.223.255 |
| ASN Name | 43/F, AIA Tower, 183 Electric Road, North Point, Hong Kong |
| CDIR | 203.166.220.0/22 |
| Numerical IP | |
| Registry | apnic |
| Last update | 30/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | CN | China | - | Dongguan | 23.0489 | 113.7447 | 2017-08-29 |
| MaxMind | HK | Hong Kong | - | North Point | 22.3 | 114.2 | 2017-08-29 |
| Whois | HK | - | - | - | 114 | 22 | |
| W3C | - | - | - | - | - | - | - |