The IP address 121.217.243 is provided by Telstra Pty Ltd, it's belong to the CDIR (Classless Inter-Domain Routing) 121.208.0.0/12 (range 121.208.0.0 to 121.223.255.255). The autonomous system number (ASN) is 1221.
| ASN | 1221 |
| IP starting by | 121.208.0.0 |
| IP ending by | 121.223.255.255 |
| ASN Name | Telstra Pty Ltd |
| CDIR | 121.208.0.0/12 |
| Numerical IP | |
| Registry | apnic |
| Last update | 11/02/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | AU | Australia | - | Newcastle | -32.9272 | 151.7765 | 2018-02-10 |
| MaxMind | AU | Australia | - | Winston Hills | -33.7588 | 150.9929 | 2018-02-10 |
| Whois | AU | - | - | - | 134 | -25 | |
| W3C | - | - | - | - | - | - | - |