192.168.123.77 is special IP reserved for accessing admin panel of routers. This and other IPs like 192.168.123.1, 192.168.123.254, 192.168.123.2 etc are unanimously accepted worldwide standards for router IPs. It is also called "Default Gateway IP" in literature.
If you are here, it means you may be looking for a way to log into your router admin panel. Just type into your browser address bar: 192.168.123.77 (if it's not working click here). Next, enter the username & password of your modem. If you don't remember it then click here.
Username & Password for 192.168.123.77
Try these most popular username & password combinations, router manufacturers tend to use, by default.
Above ID/Pass not working against 192.168.123.77? Try these.
You may not know but the case is that current default login IP which your machine is using can be traced from within your device. Just select your Operating System / Device & follow instructions.
List of Router Admin Panel IPs
You tried to log into your router using 192.168.123.77 but an error occurs then it means you are using a wrong IP. In this case, it is recommended to see other probable IPs your router company occasionally uses. Just select your company below to find yours!
Alongside 192.168.123.77 you must also test below IPs.