Kriwan Industrie-Elektronik GmbH

Any device whose MAC address begins with 1C:D4:0C has a network interface built by Kriwan Industrie-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

1C:D4:0C

Organization

Kriwan Industrie-Elektronik GmbH

Address

Allmand 11 Forchtenberg Baden-Würtemberg DE D-74670

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.