If the device’s MAC isn’t on the list, it cannot get in.īe aware, this isn’t perfect. You can create a list of MAC addresses that are allowed to access the WiFi. One of the best ways to prevent unauthorized access to your WiFi is through MAC filtering. You can get an idea of the IP addresses by logging in to the WiFi router though. We’ll need to go through the device’s documentation or search the Internet for how to check each device. Cameras, doorbells, light bulbs, refrigerators, pet feeders, weather stations, and probably kitchen sinks too. There are so many different types of devices that can connect to WiFi networks. Find The MAC & IP Addresses Of Other Connected Devices