DualShine Technology(SZ)Co.,Ltd

Any device whose MAC address begins with 44:7B:C4 has a network interface built by DualShine Technology(SZ)Co.,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

44:7B:C4

Organization

DualShine Technology(SZ)Co.,Ltd

Address

No.334-1,LuoTian 3rd Industrial Park, Shen Zhen Guang Dong CN 518000

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.