Devices with MAC addresses that start with 00-05-21 were manufactured by Control Microsystems

Device Manufacturer
Control Microsystems
Manufacturer Location
48 Steacie Drive
Ottawa Ontario K2K 2A9
Estimated Devices using 00-05-21
16,256,250
Estimated Total Devices From Mfg
32,512,500
Related MAC Addresses
00-03-74