Vicos

Any device whose MAC address begins with 78:D1:29 has a network interface built by Vicos. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

78:D1:29

Organization

Vicos

Address

Eugenmuellerstrasse 14 Salzburg Salzburg AT 5020

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.