Devices with MAC addresses that start with 80-34-57 were manufactured by OT Systems Limited

Device Manufacturer
OT Systems Limited

Manufacturer Location
Unit 1023, 10/F., Landmark North,
Sheung Shui, N. T.

Estimated Devices using 80-34-57
16,256,250

Estimated Total Devices From Mfg
16,256,250

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