Devices with MAC addresses that start with 3C-57-4F were manufactured by China Mobile Group Device Co.,Ltd.

Device Manufacturer
China Mobile Group Device Co.,Ltd.

Manufacturer Location
32 Xuanwumen West Street,Xicheng District
Beijing 100053

Estimated Devices using 3C-57-4F
16,256,250

Estimated Total Devices From Mfg
325,125,000