as long as you connected to any internet network, ’s NetCut can work. Quickly detect all network users in your network, even when your phone has no valid IP address or not been granted use of internet.If NetCut reports you are not running as root, ref here for How to Root your Android Phone

Note: NetCut require root to run, otherwise, it won’t be able to run. On Your Google Smart Phone: Free, Fast, Powerful, Easy to Cut, Easy to Protect