LongSung Technology (Shanghai) Co.,Ltd.

Any device whose MAC address begins with 14:00:20 has a network interface built by LongSung Technology (Shanghai) 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

14:00:20

Organization

LongSung Technology (Shanghai) Co.,Ltd.

Address

Room 606, Block B, Bldg. 1, No. 3000 Longdong Avenue., Zhangjiang Hi-Tech Park, Pudong District ShangHai CN 201203

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.