ACA-Digital Corporation

Any device whose MAC address begins with 00:1A:55 has a network interface built by ACA-Digital Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1A:55

Organization

ACA-Digital Corporation

Address

17 F, No. 866-7, Chung Cheng Rd., Chung Ho City Taipei County TW 23586

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.