Quanta Microsystems,Inc.

Any device whose MAC address begins with 20:7C:8F has a network interface built by Quanta 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

20:7C:8F

Organization

Quanta Microsystems,Inc.

Address

No.5 Lane 91,Dongmei Rd. Hsinchu TW 300

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.