Kellendonk Elektronik GmbH

Any device whose MAC address begins with BC:BB:C9 has a network interface built by Kellendonk Elektronik 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

BC:BB:C9

Organization

Kellendonk Elektronik GmbH

Address

Butzweilerhof Allee 4 Cologne NRW DE 50829

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.