MSC Vertriebs GmbH

Any device whose MAC address begins with 00:03:05 has a network interface built by MSC Vertriebs 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

00:03:05

Organization

MSC Vertriebs GmbH

Address

Design Center Aachen AACHEN DE D-52076

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.