The IEEE registry carries 2 blocks registered to CONTROL TECHNOLOGY, INC., together 33.6 million addresses, first observed 22 Apr 1998, most recently 10 Feb 2010.
Registered in US.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:20:25 | MA-L | 16.8 million | US | 22 Apr 1998 |
| F8:9D:0D | MA-L | 16.8 million | US | 10 Feb 2010 |
Every block registered to CONTROL TECHNOLOGY, INC. in the IEEE registries, complete. Free-text search also matches former owners.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.