Devices with MAC addresses that start with 00-22-31 were manufactured by SMT&C Co., Ltd.

Device Manufacturer
SMT&C Co., Ltd.
Manufacturer Location
2Fr. Haksan Bldg. 110, Gwangjang-dong, Gwangjin-gu
Seoul 143-802
Estimated Devices using 00-22-31
16,256,250
Estimated Total Devices From Mfg
16,256,250
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