HGST a Western Digital Company

Any device whose MAC address begins with 00:0C:CA has a network interface built by HGST a Western Digital 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

00:0C:CA

Organization

HGST a Western Digital Company

Address

3403 Yerba Buena Road San Jose CA US 95135

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.