The default IP address used to connect to many brands of router to set them up. It can be used from a web browser in the URL http://192.168.1.1. This URL, and the necessary default login details, are often printed on the router. The same address may also be accessible via a telnet command line interface. This is a private address that is only visible when connected directly to the router, i.e. it will not be routed by other network hardware.