BSH Hausgeräte GmbH

Any device whose MAC address begins with 38:B4:D3 has a network interface built by BSH Hausgeräte 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

38:B4:D3

Organization

BSH Hausgeräte GmbH

Address

Im Gewerbepark B10 Regensburg DE 93059

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.