Devices with MAC addresses that start with 00-21-00 were manufactured by Gemtek Technology Co., Ltd.

Device Manufacturer
Gemtek Technology Co., Ltd.
Manufacturer Location
No.1 Jen Ai Road, Hsinchu Industrial Park,
Hukou, Hsinchu 303
Estimated Devices using 00-21-00
16,256,250
Estimated Total Devices From Mfg
195,075,000
Related MAC Addresses
1C-49-7B, 20-10-7A, 00-09-E1, F8-35-DD, 00-26-82, 00-1A-73, 00-90-4B, 80-02-9C, AC-81-12, 00-14-A5, E8-E1-E1