Devices with MAC addresses that start with 90-21-81 were manufactured by Shanghai Huaqin Telecom Technology Co.,Ltd

Device Manufacturer
Shanghai Huaqin Telecom Technology Co.,Ltd

Manufacturer Location
No.1 Building,399 Keyuan Road, Zhangjian Hi-Tech Park,
shanghai shanghai 201203

Estimated Devices using 90-21-81
16,256,250

Estimated Total Devices From Mfg
32,512,500

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