BEIJING MICROVISION TECHNOLOGY CO.,LTD

Any device whose MAC address begins with 04:AA:E1 has a network interface built by BEIJING MICROVISION 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

04:AA:E1

Organization

BEIJING MICROVISION TECHNOLOGY CO.,LTD

Address

ROOM 207-208,2/F,TAIXIANG COMMERCIAL BUILDING,NO.1A,LONGXIANG ROAD,HAIDIAN DISTRICT,BEIJING,P.R.C BEIJING BEIJING CN 100191

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.