Peerless Instrument Division of Curtiss-Wright

Any device whose MAC address begins with FC:4B:57 has a network interface built by Peerless Instrument Division of Curtiss-Wright. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

FC:4B:57

Organization

Peerless Instrument Division of Curtiss-Wright

Address

1966D Broadhollow Road East Farmingdale NY US 11735

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.