Vector Informatik GmbH

Any device whose MAC address begins with 00:16:81 has a network interface built by Vector Informatik 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

00:16:81

Organization

Vector Informatik GmbH

Address

Ingersheimer Str. 24 Stuttgart Baden-Württemberg DE 70499

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.