b-plus GmbH

Any device whose MAC address begins with 68:B9:83 has a network interface built by b-plus 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

68:B9:83

Organization

b-plus GmbH

Address

Ulrichsberger Str. 17 Deggendorf Bavaria DE 94469

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.