Vendor name: Hangzhou duotin Technology Co., Ltd.

MAC Prefix: 54:9A:11:D

MAC Range: 54:9A:11:D0:00:00 - 54:9A:11:DF:FF:FF

Type: MA-M

Address: Haichuang Garden of Hangzhou city Yuhang District 4 Building 407B
　　　　　hangzhou Zhejiang 311100
　　　　　 CN