MAC Address Lookup

Look up device manufacturer information from MAC addresses. Identify network devices by their MAC address OUI (Organizationally Unique Identifier).

MAC Address Lookup

Find the manufacturer and vendor information for any MAC address instantly. This tool queries the IEEE OUI database to identify network device manufacturers.

Enter MAC Address

Enter full or partial MAC address (minimum 6 characters)

Lookup Results

Enter a MAC address to see vendor information

What is a MAC Address?

A MAC (Media Access Control) address is a unique identifier assigned to network interfaces for communications on the physical network segment. Every network device has a unique MAC address.

MAC Address Format

MAC addresses are typically represented in one of these formats:

  • Colon notation: 00:1B:44:11:3A:B7
  • Hyphen notation: 00-1B-44-11-3A-B7
  • Dot notation: 001B.4411.3AB7
  • No separator: 001B44113AB7

Understanding OUI

The first 3 bytes (6 hexadecimal characters) of a MAC address represent the OUI (Organizationally Unique Identifier), which identifies the manufacturer or vendor of the network device.

Common Uses

Network Security

Identify unknown devices on your network by their manufacturer.

Troubleshooting

Verify device types when diagnosing network issues.

Asset Management

Track and inventory network equipment by manufacturer.

Device Discovery

Identify device types during network scanning and auditing.

How to Find a MAC Address

Windows

  1. Open Command Prompt
  2. Type ipconfig /all
  3. Look for “Physical Address”

macOS

  1. Open Terminal
  2. Type ifconfig
  3. Look for “ether”

Linux

  1. Open Terminal
  2. Type ip link show or ifconfig
  3. Look for “link/ether”

Mobile Devices

  • iOS: Settings → General → About → Wi-Fi Address
  • Android: Settings → About Phone → Status → Wi-Fi MAC address

Privacy Note

Privacy: MAC addresses are only used for lookup purposes and are not stored or logged. All lookups are performed securely using HTTPS.

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