A router holds this information in an ARP table where for each MAC address a local IP address is assigned. In many cases, there are multiple devices connected to the same network – laptops, phones or TVs, and in order for a router to know which internet packets belong to which device it keeps track of every device’s MAC addresses. This address never changes as it is burned-in by a manufacturer.
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.
