The IEEE registry carries 3 blocks registered to ZIV, together 50.3 million addresses, first observed 6 Mar 2010, most recently 5 Mar 2020.
Registered in ES.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 40:40:22 | MA-L | 16.8 million | ES | 6 Mar 2010 |
| 40:40:28 | MA-L | 16.8 million | ES | 5 Mar 2020 |
| A4:31:11 | MA-L | 16.8 million | ES | 30 Oct 2015 |
Every block registered to ZIV 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.