Vendor name: Beijing Dayu Technology Co., Ltd.

MAC Prefix: 84:11:C2:1

MAC Range: 84:11:C2:10:00:00 - 84:11:C2:1F:FF:FF

Type: MA-M

Address: 11B-660, Building 13, Wangjing Xiyuan, Chaoyang
　　　　　Beijing 100000
　　　　　 CN