Devices with MAC addresses that start with B4-73-56 were manufactured by Hangzhou Treebear Networking Co., Ltd.

Device Manufacturer
Hangzhou Treebear Networking Co., Ltd.
Manufacturer Location
2F,Block A, Lianhe Building, 2#, Zijinghua RD, Xihu District
Hangzhou Zhejiang 310012
Estimated Devices using B4-73-56
16,256,250
Estimated Total Devices From Mfg
16,256,250
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