MAC Address Generator
NETGenerate random valid IEEE-compliant MAC addresses.
Enter a value and click Analyze
ℹ️ About MAC Address Generator
A MAC (Media Access Control) address is the unique hardware identifier burned into every network interface — six pairs of hexadecimal digits like 1A:2B:3C:4D:5E:6F. This generator creates valid, correctly formatted random MAC addresses for testing, labs, documentation, device mocking, or spoofing experiments, so you never have to hand-craft one and risk an invalid format.
📖 How to Use MAC Address Generator
1
Choose a format
Pick colon, hyphen, or dot separation if the tool offers it.
2
Generate
Click to produce a valid random MAC address.
3
Copy it
Copy the address into your config, test, or document.
4
Generate more
Create as many unique addresses as you need.
💡 Examples
Colon format
INPUT
Generate→
OUTPUT
1A:2B:3C:4D:5E:6FHyphen format
INPUT
Generate→
OUTPUT
1a-2b-3c-4d-5e-6fCisco dot format
INPUT
Generate→
OUTPUT
1a2b.3c4d.5e6f🚀 Pro Tips
✓A MAC address is 48 bits — six bytes shown as 12 hexadecimal characters.
✓The first three bytes are the OUI (vendor); the last three identify the device.
✓Set the second-least-significant bit of the first byte for a “locally administered” address (safe for testing).
✓Use generated MACs for lab testing and documentation — never to impersonate a real device on a network you don’t own.
✓Colon and hyphen formats are the most widely accepted; Cisco gear often uses the dotted format.