Barrot Technology Co.,Ltd.

Any device whose MAC address begins with 84:A3:4B has a network interface built by Barrot 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

84:A3:4B

Organization

Barrot Technology Co.,Ltd.

Address

A1009,Block A,Jia Hua Building,No.9 Shangdi 3rd Street,Haidian District,Beijing beijing beijing CN 100000

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.