Wuxi DSP Technologies Inc.

Any device whose MAC address begins with E4:3F:A2 has a network interface built by Wuxi DSP Technologies Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E4:3F:A2

Organization

Wuxi DSP Technologies Inc.

Address

Rm A801,530Mansion,International High-Tech Park,Qingyuan Road Wuxi Jiangsu US 214000

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.