Devices with MAC addresses that start with 00-05-21 were manufactured by Control Microsystems
| Device Manufacturer | Control Microsystems 48 Steacie Drive Ottawa Ontario K2K 2A9 |
|---|---|
| Estimated Devices with 00-05-21 | 16256250 |
| Estimated Total Devices From Mfg | 32512500 |
| Other MAC Addresses | 00-03-74 |
| Address Examples |
