Neousys Technology Inc.

Any device whose MAC address begins with 78:D0:04 has a network interface built by Neousys Technology 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

78:D0:04

Organization

Neousys Technology Inc.

Address

13F.-1, NO.1, BAOSHENG RD., YONGHE CITY TAIPEI COUNTY TW 23444

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.