Avantgarde Acoustic Lautsprechersysteme GmbH

Any device whose MAC address begins with 00:21:8F has a network interface built by Avantgarde Acoustic Lautsprechersysteme 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

00:21:8F

Organization

Avantgarde Acoustic Lautsprechersysteme GmbH

Address

Nibelungenstraße 349 Lautertal - Reichenbach Hessen DE D-64686

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.