PRIMA Cinema, Inc

Any device whose MAC address begins with 1C:5C:55 has a network interface built by PRIMA Cinema, Inc. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

1C:5C:55

Organization

PRIMA Cinema, Inc

Address

1903 Wright Place, Suite 320 Carlsbad CA US 92008

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.