Random MAC Address Generator
Generate random MAC addresses with custom formatting options.
Configuration
Leave empty for random
Generated MAC Addresses
About MAC Address Generator
A Media Access Control (MAC) address is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. This tool helps developers and network administrators generate random MAC addresses for testing purposes, such as verifying DHCP configurations, testing firewall rules, or simulating network traffic.
What is a MAC Address?
A MAC address consists of 48 bits (6 bytes), typically represented as six groups of two hexadecimal digits. The first three bytes (24 bits) are known as the Organizationally Unique Identifier (OUI), which identifies the manufacturer.
Unicast vs Multicast
The least significant bit of the first octet of an address identifies the frame as unicast (0) or multicast (1). Our generator allows you to choose whether to include multicast addresses or stick to standard unicast ones.