Devices with MAC addresses that start with 00-21-07 were manufactured by Seowonintech Co Ltd.

Device Manufacturer
Seowonintech Co Ltd.
Manufacturer Location
689-47 Geumjeongdong
Gunposi Kyoungkido 436-862
Estimated Devices using 00-21-07
16,256,250
Estimated Total Devices From Mfg
16,256,250
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