ghe-ces electronic ag

Any device whose MAC address begins with 80:3B:9A has a network interface built by ghe-ces electronic 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

80:3B:9A

Organization

ghe-ces electronic ag

Address

Hoemelstraße 17 Wald ZH CH 8636

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.