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
Related MAC Addresses
44-91-DB