ROGER D.Wensker, G.Wensker sp.j.

Any device whose MAC address begins with AC:8A:CD has a network interface built by ROGER D.Wensker, G.Wensker sp.j.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

AC:8A:CD

Organization

ROGER D.Wensker, G.Wensker sp.j.

Address

Gosciszewo 59 Sztum Pomorskie PL 82-400

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.