However, while changing the MAC address of a device isn’t possible unless you replace the network hardware itself, there are ways to fool the OS into broadcasting a different MAC address to the network. While the IP address is assigned by network interfaces such as routers, MAC addresses are fixed for devices, and are assigned by the manufacturer, hardcoded into the network hardware that the device is using. These addresses are used to uniquely identify devices on a network. Will have unique MAC addresses assigned to them. On your Android smartphone, or tablet, network cards such as those for WiFi, Bluetooth, etc.

MAC address, or the Media Access Control address is a unique address assigned to the network interface of a device.