ADC Automotive Distance Control System GmbH

Any device whose MAC address begins with 3C:69:D1 has a network interface built by ADC Automotive Distance Control System GmbH. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

3C:69:D1

Organization

ADC Automotive Distance Control System GmbH

Address

Peter-Dornier Strasse 10 Lindau Bavaria DE 88131

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.