Apacer Technology Inc.

Any device whose MAC address begins with DC:66:3A has a network interface built by Apacer Technology Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

DC:66:3A

Organization

Apacer Technology Inc.

Address

1F., No.32, Zhongcheng Rd., Tucheng Dist., New Taipei City Taiwan R.O.C. TW 236

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.