Vendor name: Quantumdoor Technologies, Inc.

MAC Prefix: 70:50:E7:4

MAC Range: 70:50:E7:40:00:00 - 70:50:E7:4F:FF:FF

Type: MA-M

Address: 1st Floor 108-1,Buiding5,East Districe,No.10 Xibeiwang East Road,haidian Districe,
　　　　　beijing 102629
　　　　　 CN