Vendor name: China Mobile Group Device Co.,Ltd.

MAC Prefix: 3C:57:4F

MAC Range: 3C:57:4F:00:00:00 - 3C:57:4F:FF:FF:FF

Type: MA-L

Address: 32 Xuanwumen West Street,Xicheng District
　　　　　Beijing 100053
　　　　　 CN