b gmbh medien + datenbanken

Any device whose MAC address begins with 38:E8:DF has a network interface built by b gmbh medien + datenbanken. 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:E8:DF

Organization

b gmbh medien + datenbanken

Address

Kurfuerstenstrasse 22 Ludwigsburg BW DE 71636

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.