Opticom Communication, LLC

Any device whose MAC address begins with 44:C4:A9 has a network interface built by Opticom Communication, LLC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

44:C4:A9

Organization

Opticom Communication, LLC

Address

1050 Connecticut Avenue, NW Washington DC US 20036

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.