Devices with MAC addresses that start with 00-80-3B were manufactured by APT COMMUNICATIONS, INC.

Device Manufacturer
APT COMMUNICATIONS, INC.

Manufacturer Location
9607 DR. PERRY ROAD
IJAMSVILLE MD 21754

Estimated Devices using 00-80-3B
16,256,250

Estimated Total Devices From Mfg
16,256,250

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