The IEEE registry carries 2 blocks registered to Proqualit Telecom LTDA, together 2.1 million addresses, first observed 21 Mar 2023, most recently 18 Jun 2024.
Registered in BR.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 90:F4:21:A | MA-M | 1 million | BR | 21 Mar 2023 |
| F4:20:55:5 | MA-M | 1 million | BR | 18 Jun 2024 |
Every block registered to Proqualit Telecom LTDA 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.