Devices with MAC addresses that start with C0-27-B9 were manufactured by Beijing National Railway Research & Design Institute of Signal & Communication Co., Ltd.

Device Manufacturer
Beijing National Railway Research & Design Institute of Signal & Communication Co., Ltd.

Manufacturer Location
Building No.18, Huayuan YiLi,Fengtai District,
Beijing 100073

Estimated Devices using C0-27-B9
16,256,250

Estimated Total Devices From Mfg
16,256,250

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