| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:88:6 | IAB | 4.1 thousand | FI | 30 Jul 2008 |
| 00:50:C2:DD:6 | IAB | 4.1 thousand | FI | 27 Feb 2011 |
| 70:B3:D5:30:4 | MA-S | 4.1 thousand | FI | 5 Nov 2017 |
| 70:B3:D5:9D:4 | MA-S | 4.1 thousand | FI | 27 Sep 2015 |
| 70:B3:D5:A0:5 | MA-S | 4.1 thousand | FI | 18 Dec 2016 |
| 70:B3:D5:AE:2 | MA-S | 4.1 thousand | FI | 8 Jun 2014 |
| 70:B3:D5:ED:8 | MA-S | 4.1 thousand | FI | 20 Nov 2018 |
| 8C:1F:64:38:E | MA-S | 4.1 thousand | FI | 17 Feb 2022 |
| 8C:1F:64:49:B | MA-S | 4.1 thousand | FI | 30 Mar 2023 |
Every block registered to Wartsila Voyage Oy in the IEEE registries, complete. Free-text search also matches former owners.