Vendor name: AltoBeam (China) Inc.

MAC Prefix: A4:EF:15

MAC Range: A4:EF:15:00:00:00 - A4:EF:15:FF:FF:FF

Type: MA-L

Address: B808, Tsinghua Tongfang Hi-Tech Plaza, Haidian
　　　　　Beijing Beijing 100083
　　　　　 CN