To netCut, Wireless network are the same as normal network

Run netcut, Click on "Choice netcard" , select wireless netcard, it should be something name as "b/g/n" or with wireless words.

within seconds, you will see who is on your WIFI network.

If after above , and you can't see any IP address apear , then follow this.

http://www.arcai.com/netcut-faq/81-how-to-use-netcut-get-all-the-ip-addresses-in-my-lan.html