Shenzhen SDMC Technology CO.,Ltd.

Any device whose MAC address begins with B4:E2:65 has a network interface built by Shenzhen SDMC 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

B4:E2:65

Organization

Shenzhen SDMC Technology CO.,Ltd.

Address

19/F, Changhong Science & Technology Mansion, No.18, Keji South 12th Road, High-tech Industrial Park, Nanshan District Shenzhen GUANGDONG CN 518027

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.