The IEEE registry carries 2 blocks registered to Calibre UK LTD, together 16.8 million addresses, first observed 30 Jul 2008, most recently 29 Oct 2009.
Registered in GB.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 9C:5E:73 | MA-L | 16.8 million | GB | 29 Oct 2009 |
| 00:50:C2:7A:4 | IAB | 4.1 thousand | GB | 30 Jul 2008 |
Every block registered to Calibre UK LTD 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.