For Wave 2 and Sagemcom Spectrum Router Login - Launch the web browser you are using and type in your IP address. Make sure you are connected to the network. - Key in your admin username and password to log in to your router. If this is your first time logging in or not changing the login details, use the default. The default username and password are admin. For NetGear Routers - Launch the web browser on your device and type in your IP address. - Make sure you are connected to the network. - Type routerlogin.net or routerlogin.com on the address bar. - Key in your admin username and password to log in to your router. If this is your first time logging in or changing the login details, use the default. The default username is admin, and the default password is password.