Shandong USR IOT Technology Limited

Any device whose MAC address begins with 9C:A5:25 has a network interface built by Shandong USR IOT Technology Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

9C:A5:25

Organization

Shandong USR IOT Technology Limited

Address

Floor 11,Building 1,No.1166 Xinluo Street,Gaoxin District,Jinan,Shandong,250101,China Jinan Shandong CN 250101

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.