Post CH AG

Any device whose MAC address begins with D8:F3:DB has a network interface built by Post CH 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

D8:F3:DB

Organization

Post CH AG

Address

Wankdorfallee 4 Bern CH 3030

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.