WSH GmbH

Any device whose MAC address begins with 08:3F:3E has a network interface built by WSH GmbH. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

08:3F:3E

Organization

WSH GmbH

Address

Koelner Str. 58a Gummersbach NRW DE 51645

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.