Mywifiext.net 192.168.1.250 pertains to one and the same thing. That means 192.168.1.250 is nothing else but an IP address assigned to mywifiext.net webpage. This is provided to user as an option. That means user can choose among mywifiext.net and 192.168.1.250 as per his/her requirement.
192.168.1.250 IP address is mostly used by user instead of www.mywifiext.net whenever his/her web browser is unable to resolve mywifiext.net webpage. Thus it is included in NETGEAR WiFi range extender troubleshooting.
In case you want to explore more about mywifiext.net webpage or 192.168.1.250, you can follow links given below.