LANCOM Systems GmbH

Any device whose MAC address begins with 00:A0:57 has a network interface built by LANCOM Systems 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:A0:57

Organization

LANCOM Systems GmbH

Address

Adenauer Straße 20 /B2 Würselen DE 52146

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.