Dreamtek Intelligent Technology Co., Ltd

Any device whose MAC address begins with A4:43:1B has a network interface built by Dreamtek Intelligent Technology 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

A4:43:1B

Organization

Dreamtek Intelligent Technology Co., Ltd

Address

Room 508, Building A2, Area one of Zhongan Chuanggu Science Park, No. 900 of Wangjiang West Road, High-tech Zone, Hefei, Anhui, China Shanghai CN 230000

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.