Random MAC Address Generator
Generate random MAC addresses instantly
What is a MAC Address?
A MAC Address is a unique identifier assigned to network interfaces. It's composed of an OUI (vendor) and a NIC-specific part.
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MAC Address Structure
- First 24 bits: OUI (Organizationally Unique Identifier) — vendor prefix
- Last 24 bits: NIC (Network Interface Controller) — device-specific
Common Uses
- Device identification on networks
- MAC filtering and access control
- Wake-on-LAN and troubleshooting
Core Features of Our Generator
Client-Side Security
All generation logic runs directly in your browser. No data is sent to our servers, ensuring your privacy is 100% protected.
Multiple Formats
Generate MAC addresses in various common formats, including colon-separated, hyphen-separated, and no separator.
Vendor (OUI) Specific
Choose from a list of vendor OUIs (Organizationally Unique Identifiers) to generate a realistic address.
Bulk Generation
Instantly generate a list of multiple unique MAC addresses with a single click.
Need a vendor-specific MAC? Try mac address lookup
Production environment please use the MAC address of the real manufacturer.