Mywifiext.net is the default web address that users can use for Netgear extender setup. But sometimes, mywifiext.net setup page doesn't open. In such a case, you can use 192.168.1.250 IP for Netgear extender login. After login, you will see the Netgear Genie Setup page which provides you on-screen instructions for Netgear WiFi range extender setup.