Shanghai Artimen Technology Co., Ltd.

Any device whose MAC address begins with E4:A3:2F has a network interface built by Shanghai Artimen 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

E4:A3:2F

Organization

Shanghai Artimen Technology Co., Ltd.

Address

Room 4462, Third Building, No. 505, Xinge Road, Xinqiao Town, SongJiang District, Shanghai City, China Shanghai Shanghai CN 201206

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.