Devices with MAC addresses that start with 20-77-59 were manufactured by OPTICAL NETWORK VIDEO TECHNOLOGIES (SHENZHEN) CO., LTD.

Device Manufacturer
OPTICAL NETWORK VIDEO TECHNOLOGIES (SHENZHEN) CO., LTD.
Manufacturer Location
The 4-6th Floor, No. 59, HuaNing Road, Xinwei Community, Dalang Street, Longhua District
Shenzhen 518000
Estimated Devices using 20-77-59
16,256,250
Estimated Total Devices From Mfg
16,256,250
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