FAST PHOTONICS HK CO., LIMITED

Any device whose MAC address begins with A4:0B:78 has a network interface built by FAST PHOTONICS HK CO., LIMITED. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

A4:0B:78

Organization

FAST PHOTONICS HK CO., LIMITED

Address

FLAT/RM B3, 19/F, TUNG LEE COMMERCIAL BUILDING, 91-97 JERVOIS STREET, SHEUNG WAN HONG KONG CN HK

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.