Quanta Computer Inc.

Any device whose MAC address begins with 04:7D:7B has a network interface built by Quanta Computer 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

04:7D:7B

Organization

Quanta Computer Inc.

Address

NO. 211, WEN HWA 2RD.,KUEI SHAN HSIANG, TAO YUAN SHIEN, TAIPEI TAIWAN TW 333

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.