PROCITEC GmbH

Any device whose MAC address begins with A0:47:9B has a network interface built by PROCITEC 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

A0:47:9B

Organization

PROCITEC GmbH

Address

Rastatter Str. 41 Pforzheim DE 75179

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.