Fraunhofer ITWM

Any device whose MAC address begins with CC:B5:5A has a network interface built by Fraunhofer ITWM. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

CC:B5:5A

Organization

Fraunhofer ITWM

Address

Fraunhoferplatz 1 Kaiserslautern Rhineland-Palatinae DE 67663

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.