Albrecht Jung GmbH & Co. KG

Any device whose MAC address begins with 00:22:D1 has a network interface built by Albrecht Jung 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

00:22:D1

Organization

Albrecht Jung GmbH & Co. KG

Address

Volmestraße 1 Schalksmühle NRW DE 58579

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.