FAIRFIELD INDUSTRIES

Any device whose MAC address begins with C0:A0:C7 has a network interface built by FAIRFIELD INDUSTRIES. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C0:A0:C7

Organization

FAIRFIELD INDUSTRIES

Address

1111 GILLINGHAM LANE SUGAR LAND TEXAS US 77478

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.