The IP address 221.143.139 is provided by Entonetworks, it's belong to the CDIR (Classless Inter-Domain Routing) 221.141.105.0/24 (range 221.141.105.0 to 221.141.105.255). The autonomous system number (ASN) is 45967.
| ASN | 45967 |
| IP starting by | 221.141.105.0 |
| IP ending by | 221.141.105.255 |
| ASN Name | Entonetworks |
| CDIR | 221.141.105.0/24 |
| Numerical IP | |
| Registry | apnic |
| Last update | 07/07/2017 |

| 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 | - | Seoul | 37.5111 | 126.9743 | 2017-07-03 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |