SIMCom Wireless Solutions Limited

Any device whose MAC address begins with 5C:46:B0 has a network interface built by SIMCom Wireless Solutions 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

5C:46:B0

Organization

SIMCom Wireless Solutions Limited

Address

SIMCom Headquarters Building, Building 3, No. 289 Linhong Road, Changning District, Shanghai P.R. China Shanghai CN 200335

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.