Diehl BGT Defence GmbH & Co. KG

Any device whose MAC address begins with 90:92:B4 has a network interface built by Diehl BGT Defence 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

90:92:B4

Organization

Diehl BGT Defence GmbH & Co. KG

Address

Alte Nussdorfer Strasse 13 Ueberlingen DE 88662

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.