The IP address 203.145.12 is provided by Ultra Serve Internet Pty Ltd - Transit, it's belong to the CDIR (Classless Inter-Domain Routing) 203.145.32.0/19 (range 203.145.32.0 to 203.145.63.255). The autonomous system number (ASN) is 17920.
| ASN | 17920 |
| IP starting by | 203.145.32.0 |
| IP ending by | 203.145.63.255 |
| ASN Name | Ultra Serve Internet Pty Ltd - Transit |
| CDIR | 203.145.32.0/19 |
| Numerical IP | |
| Registry | apnic |
| Last update | 19/09/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | CN | China | - | Guangzhou | 23.1167 | 113.25 | 2017-09-19 |
| MaxMind | CN | China | - | Guangzhou | 23.1167 | 113.25 | 2017-09-19 |
| Whois | AU | - | - | - | 134 | -25 | |
| W3C | - | - | - | - | - | - | - |