VAC

Any device whose MAC address begins with 00:0D:DC has a network interface built by VAC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0D:DC

Organization

VAC

Address

20F, N0. 456, Sec. 4, Hsin Yi Rd., Taipei TW 110

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.