Most Telstra routers use 192.168.0.1 as their default IP address.
Common Telstra Addresses
- 192.168.0.1: Smart Modem.
- 10.0.0.138: older Telstra gateways.
- http://ultimate.telstra: Ultimate 4G gateways.
Every Known Telstra Default IP Address
| Telstra Model | IP Address |
| AC753S | 192.168.1.1 |
| AC753S | http://ultimate.telstra |
| Fast 5355TLS | 10.0.0.138 |
| Smart Modem Gen 2 | 192.168.0.1 |
| TG799n | 10.0.0.138 |
| TG800VAC | 10.0.0.138 |
| Ultimate AC753S | 192.168.0.1 |
| Ultimate AC753S | 192.168.1.1 |
| Ultimate AC753S | http://ultimate.telstra |
Find Your Router's IP Address
Run ipconfig on Windows and read Default Gateway, or check Router in your WiFi network's details. See How To Find Your Router's IP Address.