Devices with MAC addresses that start with 00-1D-74 were manufactured by Tianjin China-Silicon Microelectronics Co., Ltd.

Device Manufacturer
Tianjin China-Silicon Microelectronics Co., Ltd.
Manufacturer Location
301,3F Building 211,No.214 Hongqi Road, Nankai District, Tianjin China
Tianjin 300190
Estimated Devices using 00-1D-74
16,256,250
Estimated Total Devices From Mfg
16,256,250
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