Westinghouse Electric Company, LLC

Any device whose MAC address begins with 18:0C:77 has a network interface built by Westinghouse Electric Company, LLC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

18:0C:77

Organization

Westinghouse Electric Company, LLC

Address

1000 Westinghouse Drive Cranberry Township PA US 16066

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.