MAC Address

networkingintermediate
device identificationhardware address

A hardware identification number that uniquely identifies each device on a network.

Examples

Format

Looks like 00:1B:44:11:3A:B7 or 00-1B-44-11-3A-B7

Common Misconceptions

  • MAC addresses are unique to hardware but can be spoofed
  • Different from IP address - MAC is physical, IP is logical

Related Terms