Devices with MAC addresses that start with B4-EF-04 were manufactured by DAIHAN Scientific Co., Ltd.

Device Manufacturer
DAIHAN Scientific Co., Ltd.
Manufacturer Location
326, Sinpyoungsukhwaro
Wonju-si, Gangwon-do 26358
Estimated Devices using B4-EF-04
16,256,250
Estimated Total Devices From Mfg
16,256,250
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