Momentum Computer, Inc.

Any device whose MAC address begins with 00:03:CC has a network interface built by Momentum Computer, 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

00:03:CC

Organization

Momentum Computer, Inc.

Address

1815 Aston Avenue Carlsbad CA US 92008-7310

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.