MAC Address Lookup
Identify device manufacturers from MAC addresses
What is a MAC Address?
A MAC (Media Access Control) address is a unique identifier assigned to network interfaces. It's a 48-bit address typically shown as six groups of two hexadecimal digits.
Format examples:
- 00:1A:2B:3C:4D:5E
- 00-1A-2B-3C-4D-5E
- 001A2B3C4D5E
OUI (Organizationally Unique Identifier): The first 24 bits identify the manufacturer.
Common uses:
- Identify device manufacturers
- Network troubleshooting
- Device tracking
- Security auditing
Privacy note: Modern devices may use randomized MAC addresses for privacy.
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