Vendor name: AltoBeam Inc.

MAC Prefix: 90:31:4B

MAC Range: 90:31:4B:00:00:00 - 90:31:4B:FF:FF:FF

Type: MA-L

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