Vendor name: Shanghai Rui Rui Communication Technology Co.Ltd.

MAC Prefix: A4:9F:89

MAC Range: A4:9F:89:00:00:00 - A4:9F:89:FF:FF:FF

Type: MA-L

Address: Room 1130,Building No.1
　　　　　 ShangHai 201199
　　　　　 CN