Vendor name: Nanjing Qinheng Microelectronics Co., Ltd.

MAC Prefix: 50:54:7B

MAC Range: 50:54:7B:00:00:00 - 50:54:7B:FF:FF:FF

Type: MA-L

Address: No.18, Ningshuang Road
　　　　　 Nanjing Jiangsu 210012
　　　　　 CN