It is used to identify a physical device (or hardware) such as a network interface card (or NIC) on a local network. E8:FC:AF:B9:BE:A2) and is unique to every device. MAC stands for Media Access Control which is an address that contains 12 symbols (ex. How to spoof your MAC address on Android.How to spoof your MAC address on Windows 10.Does a VPN hide your MAC address from a router.MAC address exposed to the websites via IPv6.