Büchi Labortechnik AG

Any device whose MAC address begins with 00:11:7B has a network interface built by Büchi Labortechnik 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

00:11:7B

Organization

Büchi Labortechnik AG

Address

Meierseggstrasse 40 Flawil 9230 CH SG

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.