HAYES MICROCOMPUTER PRODUCTS

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

OUI prefix

00:00:DC

Organization

HAYES MICROCOMPUTER PRODUCTS

Address

P.O. BOX 105203 ATLANTA GA US 30348

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.