ASIX Electronics Corporation

Any device whose MAC address begins with 20:7B:D2 has a network interface built by ASIX Electronics 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

20:7B:D2

Organization

ASIX Electronics Corporation

Address

4F, No. 8, Hsin Ann Road, Hsinchu Science Park Hsinchu TW 30078

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.