Maxim Integrated Products

Any device whose MAC address begins with 00:18:80 has a network interface built by Maxim Integrated Products. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:18:80

Organization

Maxim Integrated Products

Address

160 Rio Robles San Jose CA US 95134

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.