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

MAC Prefix: B4:D0:A9

MAC Range: B4:D0:A9:00:00:00 - B4:D0:A9:FF:FF:FF

Type: MA-L

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