PROTEC MICROSYSTEMS, INC.

Any device whose MAC address begins with 00:20:64 has a network interface built by PROTEC MICROSYSTEMS, 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

00:20:64

Organization

PROTEC MICROSYSTEMS, INC.

Address

297 LABROSSE POINTE-CLAIRE, QUEBEC H9R 1A3 CA

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.