The IEEE registry carries 2 blocks registered to IBM Corporation, together 33.6 million addresses, first observed 28 Feb 2012, most recently 7 Jun 2012.
Registered in US.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 6C:AE:8B | MA-L | 16.8 million | US | 28 Feb 2012 |
| 74:99:75 | MA-L | 16.8 million | US | 7 Jun 2012 |
Every block registered to IBM 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.