192.168.254.254 IP address is another private IPV4 address. It’s one of the addresses from the block of private addresses within class C (this block spans from 192.168.0.0 to 192.168.255.255). This address can be assigned to some routers as a default gateway but it can also be assigned to a device on a local or a home network (automatically or manually).
The most popular modem and router manufacturers using this address as a default gateway are Siemens, Actiontec (F), Sagemcom, D-Link, Zyxel, and Aztech.
192.168.254.254 as a Default Gateway
Modems and routers need an IP address just like any device connected to some network. Unlike other devices that obtain IP addresses from the DHCP pool (from your router), routers and modems have IP addresses assigned by their manufacturers and those IP addresses are called default gateways.
Any private IP address can be a default gateway address. Some addresses (like 192.168.1.1) are more often used by the manufacturers as default gateways for their modems and routers but there is no rule. Any private address from any block of private addresses (Class A, B, or C) can be used.
In order to change or adjust any network-related setting, you need to know the default gateway address of your router/modem. When you type in this IP address in your browser and press enter, you will be redirected to router’s (or modem’s) login page. After entering the correct username and password, router’s setup page will open. You can use this page to adjust your wi-fi settings, change router’s username and password, change network SSID, change DHCP settings (make a reservation), etc.
If you don’t know your router’s username and password, you can find a few pieces of advice on how to find it here.
192.168.254.254 as a Dynamic/Static IP Address
This IP address can also be assigned to a device connected to some home or local network. It can be assigned automatically if it’s one of the available IP addresses in the DHCP pool (dynamic IP) or it can be assigned to some device manually (static IP) by the network administrator. The most important thing you need to do when assigning an IP address manually is to check if the address is already taken and avoid IP conflict.