Sputnik Engineering AG

Any device whose MAC address begins with 00:19:1B has a network interface built by Sputnik Engineering 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

00:19:1B

Organization

Sputnik Engineering AG

Address

Höheweg 85 Biel-Bienne BE CH 2502

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.