Devices with MAC addresses that start with 28-39-26 were manufactured by CyberTAN Technology Inc.

Device ManufacturerCyberTAN Technology Inc.
99 Park Ave III, Hsinchu Science Park
Hsinchu 308
Estimated Devices with 28-39-2616256250
Estimated Total Devices From Mfg130050000
Other MAC AddressesB0-FC-36, 00-01-36, C8-3D-D4, 70-25-59, 78-45-61, 00-90-A2, 60-14-B3
Address Examples