Instorescreen Aisa

Any device whose MAC address begins with AC:3D:05 has a network interface built by Instorescreen Aisa. 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:3D:05

Organization

Instorescreen Aisa

Address

Room 207, North Bldg,No 28 Shanghai CN 200237

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.