Ocean Solution Technology

Any device whose MAC address begins with DC:F1:44 has a network interface built by Ocean Solution Technology. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

DC:F1:44

Organization

Ocean Solution Technology

Address

203-1 Arifukucho Sasebo City NAGASAKI JP 859-3241

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.