V-ZUG AG

Any device whose MAC address begins with FC:1B:FF has a network interface built by V-ZUG AG. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

FC:1B:FF

Organization

V-ZUG AG

Address

Industriestrasse 66 Zug CH 6301

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.