The IP address 168.139.251 is provided by Optus Customer Network, it's belong to the CDIR (Classless Inter-Domain Routing) 168.140.178.0/24 (range 168.140.178.0 to 168.140.178.255). The autonomous system number (ASN) is 10128.
| ASN | 10128 | 
| IP starting by | 168.140.178.0 | 
| IP ending by | 168.140.178.255 | 
| ASN Name | Optus Customer Network | 
| CDIR | 168.140.178.0/24 | 
| Numerical IP | |
| Registry | apnic | 
| Last update | 10/08/2017 | 

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | TR | Turkey | - | Ankara | 39.9199 | 32.8543 | 2017-08-09 | 
| MaxMind | TR | Turkey | - | Ankara | 39.9117 | 32.8403 | 2017-08-09 | 
| Whois | AU | - | - | - | 134 | -25 | |
| W3C | - | - | - | - | - | - | - |