Herrmann Ultraschalltechnik GmbH & Co. Kg

Any device whose MAC address begins with B8:F4:D0 has a network interface built by Herrmann Ultraschalltechnik GmbH & Co. Kg. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B8:F4:D0

Organization

Herrmann Ultraschalltechnik GmbH & Co. Kg

Address

Descostraße 3-9 Karlsbad Baden-Württemberg DE 76307

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.