Devices with MAC addresses that start with 00-21-49 were manufactured by China Daheng Group ,Inc.

Device ManufacturerChina Daheng Group ,Inc.
12F Daheng Science & Technology Tower ,NO.3 Suzhou Str.
Beijing 100080
Estimated Devices with 00-21-4916256250
Estimated Total Devices From Mfg16256250
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