Optimal Audio Ltd

Any device whose MAC address begins with 4C:FB:F4 has a network interface built by Optimal Audio Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

4C:FB:F4

Organization

Optimal Audio Ltd

Address

Century Point, Halifax Rd High Wycombe GB HP12 3SL

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.