Shanghai Kaixiang Info Tech LTD

Any device whose MAC address begins with D4:D7:A9 has a network interface built by Shanghai Kaixiang Info Tech LTD. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D4:D7:A9

Organization

Shanghai Kaixiang Info Tech LTD

Address

A401, NO.509 Caobao Road, Shanghai, PRC Shanghai Shanghai CN 200233

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.