Almost every Zhone gateway uses 192.168.1.1.
Every Known Zhone Default IP Address
| Zhone Model | IP Address |
| 1511-A1 | 192.168.1.1 |
| 1518-A1 | 192.168.1.1 |
| 6211-I3 | 192.168.1.1 |
| 6218-12-200-0TT | 192.168.1.1 |
| 6219-x1 | 192.168.1.1 |
| 6219-X1-NA-0CC | 192.168.1.1 |
| 6381-A4-200-1PR | 192.168.1.1 |
| 6518-A1 | 192.168.1.1 |
| 6519-A2 | 192.168.1.1 |
| 6519-W1 | 192.168.1.1 |
| 6519-W1-XX | 192.168.2.1 |
| 6718-W1 | 192.168.1.1 |
| 6718-W1-EUB | 192.168.1.1 |
| 6729-W1 | 192.168.1.1 |
| 6748-W1 | 192.168.1.1 |
| ZNID-GE-2428A1-NA | 192.168.1.1 |
| ZNID-GPON-2424A1-NA | 192.168.1.1 |
| ZNID-GPON-2425A1-EU | 192.168.1.1 |
| ZNID-GPON-2426-UK | 192.168.1.1 |
| ZNID-GPON-2426A-1MB | 192.168.1.1 |
| ZNID-GPON-2426A-EU | 192.168.1.1 |
| ZNID-GPON-2427A-EU | 192.168.1.1 |
| ZNID-GPON-2428B1-0ST | 192.168.100.1 |
| ZNID-GPON-2727A1-EU | 192.168.1.1 |
| ZNID-GPON-2727A1-EU-D | 192.168.1.1 |
| ZNID24xxA | 192.168.1.1 |
Find Your Gateway's IP Address
Run ipconfig on Windows and read Default Gateway, or see How To Find Your Router's IP Address.
Change the Gateway's IP Address
Log in and go to Advanced Setup > LAN. Change the IP Address, then click Apply/Save.