U.S. Robotics Corporation

Any device whose MAC address begins with 00:14:C1 has a network interface built by U.S. Robotics Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:14:C1

Organization

U.S. Robotics Corporation

Address

935 National Parkway Schaumburg IL US 60173-5157

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.