Devices with MAC addresses that start with 18-19-3F were manufactured by Tamtron Oy

Device Manufacturer
Tamtron Oy
Manufacturer Location
P.O.Box 15 (Vestonkatu 11)
Tampere 33561
Estimated Devices using 18-19-3F
16,256,250
Estimated Total Devices From Mfg
16,256,250
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