| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:2F:A | IAB | 4.1 thousand | RU | 30 Jul 2008 |
| 00:50:C2:DD:7 | IAB | 4.1 thousand | RU | 27 Feb 2011 |
| D0:16:F0:6 | MA-M | 1 million | RU | 5 Jan 2023 |
| 70:B3:D5:23:E | MA-S | 4.1 thousand | RU | 29 Nov 2015 |
| 70:B3:D5:40:C | MA-S | 4.1 thousand | RU | 29 Jul 2020 |
| 70:B3:D5:A8:7 | MA-S | 4.1 thousand | RU | 25 Feb 2018 |
| 70:B3:D5:CF:6 | MA-S | 4.1 thousand | RU | 5 Oct 2014 |
Every block registered to Tornado Modular Systems in the IEEE registries, complete. Free-text search also matches former owners.