Yichip Microelectronics (Hangzhou) Co.,Ltd

Any device whose MAC address begins with 10:83:21 has a network interface built by Yichip Microelectronics (Hangzhou) 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

10:83:21

Organization

Yichip Microelectronics (Hangzhou) Co.,Ltd

Address

Room 401, Building 15, No.498 Guoshoujing Road, Pudong Software Park Shanghai CN 200120

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.