| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:71:D | IAB | 4.1 thousand | IT | 30 Jul 2008 |
| 40:D8:55:1C:B | IAB | 4.1 thousand | IT | 8 Dec 2013 |
| 70:B3:D5:13:0 | MA-S | 4.1 thousand | IT | 12 Feb 2020 |
| 70:B3:D5:40:5 | MA-S | 4.1 thousand | IT | 4 Sep 2016 |
| 70:B3:D5:68:8 | MA-S | 4.1 thousand | IT | 8 Jul 2018 |
| 8C:1F:64:67:A | MA-S | 4.1 thousand | IT | 12 Feb 2022 |
| 8C:1F:64:A3:9 | MA-S | 4.1 thousand | IT | 11 Mar 2025 |
| 8C:1F:64:B7:A | MA-S | 4.1 thousand | IT | 14 Jul 2023 |
Every block registered to MG s.r.l. in the IEEE registries, complete. Free-text search also matches former owners.