You can cut off network between two network users within LAN, by set one of the user as “gateways”, then cut off the other users, then those two users won’t beable to talk to each other, eg: apple TV, Google TV, xiaomi box, cut off the phone connection to those box, will disable screen cast like feature.Set on/off line to any network users, including phone/xbox,softphone, PS3, PS4 etc.as long as you connected to any WIFI, ’s netcut can work. You can quickly detect all network user in WIFI, even when your phone has no valid IP address or not been granted use wifi internet.