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How to Use MAC Address Lookup

Find the manufacturer of a network device from its MAC address. Shows the vendor, OUI prefix, unicast or multicast type and the address in other formats.

About this tool

Find the manufacturer (vendor) of a network device from its MAC address.

How to use MAC Address Lookup

  1. Enter a MAC address in any format, or just its first six hex digits.
  2. Click Find vendor.
  3. Read the manufacturer and address details.

Worked example

Checking the unknown devices in your router’s client list shows which one is a printer, TV or phone from the vendor names.

Why is there no vendor for my phone?

Modern phones and laptops use random, locally administered MAC addresses for privacy, which do not belong to any manufacturer.

What is an OUI?

The Organizationally Unique Identifier is the first 24 bits of a MAC address, assigned by the IEEE to a manufacturer.

Put this guide into practice

  • MAC Address Lookup — Find the manufacturer (vendor) of a network device from its MAC address.

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