Communication System Design & Manufacturing (CSDM)

Any device whose MAC address begins with 00:14:DC has a network interface built by Communication System Design & Manufacturing (CSDM). This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:14:DC

Organization

Communication System Design & Manufacturing (CSDM)

Address

Postbus 181 Bussum NH NL 1400 AD

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.