MAC Address Generator

Generate random MAC addresses for testing, virtual machines, and network simulation. Runs entirely in your browser.

Generate MAC Address

Generated MAC Address

Generated locally. Nothing is sent to any server.

About MAC Addresses

A MAC (Media Access Control) address is a 48-bit hardware identifier assigned to network interfaces. It consists of 6 bytes, typically written as 6 pairs of hexadecimal digits.

  • First 3 bytes: OUI (Organizationally Unique Identifier) - identifies the manufacturer
  • Last 3 bytes: NIC-specific part - unique to each device
  • Generated addresses use the locally administered bit (bit 1 of byte 1) to avoid conflicts with real hardware
  • Commonly used for VM network adapters, testing, and network simulation