| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:13:A | IAB | 4.1 thousand | IT | 30 Jul 2008 |
| 00:50:C2:EA:1 | IAB | 4.1 thousand | IT | 18 Sep 2011 |
| 70:B3:D5:10:8 | MA-S | 4.1 thousand | IT | 2 Apr 2017 |
| 70:B3:D5:1E:1 | MA-S | 4.1 thousand | IT | 19 Dec 2018 |
| 70:B3:D5:28:E | MA-S | 4.1 thousand | IT | 23 Mar 2014 |
| 70:B3:D5:39:0 | MA-S | 4.1 thousand | IT | 24 Dec 2020 |
| 70:B3:D5:5F:A | MA-S | 4.1 thousand | IT | 18 Mar 2018 |
| 70:B3:D5:6C:2 | MA-S | 4.1 thousand | IT | 17 Jan 2020 |
| 70:B3:D5:F9:9 | MA-S | 4.1 thousand | IT | 29 May 2016 |
| 8C:1F:64:1C:C | MA-S | 4.1 thousand | IT | 15 Apr 2026 |
| 8C:1F:64:24:9 | MA-S | 4.1 thousand | IT | 28 Nov 2024 |
| 8C:1F:64:2C:2 | MA-S | 4.1 thousand | IT | 5 Oct 2021 |
| 8C:1F:64:3B:6 | MA-S | 4.1 thousand | IT | 15 Jul 2022 |
| 8C:1F:64:D7:4 | MA-S | 4.1 thousand | IT | 18 May 2023 |
Every block registered to TEX COMPUTER SRL in the IEEE registries, complete. Free-text search also matches former owners.