Devices with MAC addresses that start with 00-21-A7 were manufactured by Hantle System Co., Ltd.

Device Manufacturer
Hantle System Co., Ltd.
Manufacturer Location
481-10 Byucksan Digital Vally II, RM 1511
Seoul City Seoul 153-783
Estimated Devices using 00-21-A7
16,256,250
Estimated Total Devices From Mfg
16,256,250
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