MAC Address Lookup

Look up manufacturer information from MAC addresses

OUI Database
0vendors loaded•Updated: •Source: Wireshark manuf
MAC Address Lookup
Look up manufacturer information from MAC addresses. Enter one or more MAC addresses.

Supported formats: 00:1A:2B:3C:4D:5E, 00-1A-2B-3C-4D-5E, 001A2B3C4D5E

About 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 displayed as 6 pairs of hexadecimal digits.

What is an OUI?

The OUI (Organizationally Unique Identifier) is the first 24 bits (3 bytes) of a MAC address. It identifies the manufacturer or vendor of the network interface.

MAC Address Types

Unicast (UAA)

Standard vendor-assigned addresses

Locally Administered

Custom/virtual MAC (VMs, Docker, etc.)

Multicast

Group addresses for multiple devices

Features

  • Identify device manufacturer
  • Parse various MAC formats
  • Built-in OUI database
  • Batch lookup multiple MACs
  • Export results as JSON
  • Supports common vendors

Frequently Asked Questions

What is a MAC address?

A MAC (Media Access Control) address is a unique identifier assigned to network interfaces. The first half (OUI) identifies the manufacturer.

Can I find the exact device model?

MAC addresses only identify the manufacturer, not the specific device model. The same OUI is used across many products from the same vendor.

What formats are supported?

We support various formats including 00:1A:2B:3C:4D:5E, 00-1A-2B-3C-4D-5E, and 001A2B3C4D5E.

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