ACARD Technology Corp.

Any device whose MAC address begins with 00:11:64 has a network interface built by ACARD Technology Corp.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:11:64

Organization

ACARD Technology Corp.

Address

6F No.78 Sec1 Kwang Fu Road, Sanchung, Taipei Hsien TW 241

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.