track ip addresses, phone numbers, etc

MAC Address and OUI Lookup

This program displays the name of the company that manufactured your network card. You can also do a reverse lookup and find the MAC addresses registered by a company. You can also generate random MAC addresses.

example: 00:0B:14

Results for MAC address 4CFCAA

Found 1 results.

MAC Address/OUIVendor {Company}
4CFCAATabluae Limited

Copy/paste MAC addresses

Alternatively, you may copy/paste MAC addresses, one per line into the box. Maximum of 10 MAC addresses at a time.

This database was last updated on x

What is a MAC address? What is OUI?

A MAC address is a unique identifier for network interfaces. It is a 48-bit number (12 hexadecimal characters). They can either be written in either of these formats:


An OUI {Organizationally Unique Identifier} is a 24-bit number that uniquely identifies a vendor or manufacturer. They are purchased and assigned by the IEEE. The OUI is basically the first three octets of a MAC address. For example, these are examples of OUI:

  • 00:00:0A -- this is owned by Omron
  • 00-0D-4B -- this is owned by Roku, LLC

How to find the MAC address

How to find the MAC address in Windows

How to find the MAC address in Unix or Linux

How to find the MAC address in Mac OS