Devices with MAC addresses that start with 00-19-21 were manufactured by Elitegroup Computer Systems Co.,Ltd.

Device Manufacturer
Elitegroup Computer Systems Co.,Ltd.

Manufacturer Location
No.22,Alley 38,Lane 91, Sec. 1,Nei Hu Road.
Taipei 114

Estimated Devices using 00-19-21
16,256,250

Estimated Total Devices From Mfg
325,125,000