Devices with MAC addresses that start with A4-7B-85 were manufactured by ULTIMEDIA Co Ltd,

Device Manufacturer
ULTIMEDIA Co Ltd,
Manufacturer Location
Guro-Gu Saeaml-ro 102
Seoul 152770
Estimated Devices using A4-7B-85
16,256,250
Estimated Total Devices From Mfg
16,256,250
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