Devices with MAC addresses that start with 18-40-A4 were manufactured by Shenzhen Trylong Smart Science and Technology Co., Ltd.

Device Manufacturer
Shenzhen Trylong Smart Science and Technology Co., Ltd.
Manufacturer Location
15E, qingdian building, No#6007, Binhe road, futian district
Shenzhen city Guangdong Province 518100
Estimated Devices using 18-40-A4
16,256,250
Estimated Total Devices From Mfg
16,256,250
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