The IEEE registry carries 3 blocks registered to Communication Machinery Corporation, together 50.3 million addresses, first observed 8 Sep 2000, most recently 9 Sep 2002.
Registered in US.
Its portfolio also includes blocks acquired from COMMUNICATION MACHINERY CORP. × 2.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:0B:16 | MA-L | 16.8 million | US | 9 Sep 2002 |
| 00:CF:1C | MA-L | 16.8 million | US | 8 Sep 2000 |
| 02:CF:1C | MA-L | 16.8 million | US | 8 Sep 2000 |
Every block registered to Communication Machinery Corporation 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.