You're scanning internal LAN IP addresses from your phone, within the local area network. Those ports should not be accessible to the Internet from the WAN (wide area network) side of your router / modem. Unless you had configured the router to forward incoming connections to a particular device on the internal home network (that happens to run a listening server on the forwarded port number), then you typically would have nothing to worry about. It's not unusual for 192.168.1.1 to have a web server. It's how you'd access the settings if your router.
Type that number into the address bar of your web browser and you'll see a web page that comes from inside your router.