In your Home network or small business, the router's IP address is private 192.168.0.1. To change the router's setting you have access to login into the 192.168.0.01 IP address with the default username and password by the admin panel. Before accessing your settings you will enter the IP address 192.168.0.1 in the web browser address bar. To protect your password you should maintain a strong password, It also helps unauthorized guests to not access your wifi settings with your permission.