Devices with MAC addresses that start with 28-57-BE were manufactured by Hangzhou Hikvision Digital Technology Co.,Ltd.

Device Manufacturer
Hangzhou Hikvision Digital Technology Co.,Ltd.

Manufacturer Location
No.469,Jianghui Road
Hangzhou Zhejiang 310052

Estimated Devices using 28-57-BE
16,256,250

Estimated Total Devices From Mfg
292,612,500