Vendor name: Shanghai Guao Electronic Technology Co., Ltd

MAC Prefix: 28:DB:81

MAC Range: 28:DB:81:00:00:00 - 28:DB:81:FF:FF:FF

Type: MA-L

Address: No.6, Alley 1225 TongPu Road,
　　　　　 Shanghai 200333
　　　　　 CN