Coffee Equipment Company

Any device whose MAC address begins with 00:23:42 has a network interface built by Coffee Equipment Company. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:23:42

Organization

Coffee Equipment Company

Address

4216 6th Ave NW Seattle WA US 98107

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.