HONG KONG WATER WORLD TECHNOLOGY CO. LIMITED

Any device whose MAC address begins with A4:D8:CA has a network interface built by HONG KONG WATER WORLD TECHNOLOGY 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:D8:CA

Organization

HONG KONG WATER WORLD TECHNOLOGY CO. LIMITED

Address

RM B-C, 24/F, GOLDEN BEAR INDUSTRIAL CENTRE, 66-82 CHAI WAN KOK STREET,TSUEN WAN. N.T. Hong Kong HK 999077

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.