bytes at work AG

Any device whose MAC address begins with 80:3F:D6 has a network interface built by bytes at work 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

80:3F:D6

Organization

bytes at work AG

Address

Konradstrasse 15 Winterthur ZH CH 8400

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.