Devices with MAC addresses that start with 00-21-CA were manufactured by ART System Co., Ltd.

Device ManufacturerART System Co., Ltd.
Mobile Techno Bldg Room 910
Dae-Gu 702-020
Estimated Devices with 00-21-CA16256250
Estimated Total Devices From Mfg16256250
Other MAC Addresses
Address Examples