DRD Automation GmbH

Any device whose MAC address begins with 94:C3:6B has a network interface built by DRD Automation 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

94:C3:6B

Organization

DRD Automation GmbH

Address

Deventerstrasse 11 Muenster DE 48163

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.