| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 18:74:E2:3 | MA-M | 1 million | RU | 2 Apr 2021 |
| 00:50:C2:46:2 | IAB | 4.1 thousand | RU | 30 Jul 2008 |
| 00:50:C2:85:6 | IAB | 4.1 thousand | RU | 30 Jul 2008 |
| 00:50:C2:A8:2 | IAB | 4.1 thousand | RU | 22 Mar 2009 |
| 00:50:C2:B6:F | IAB | 4.1 thousand | RU | 25 Oct 2009 |
| 00:50:C2:CA:3 | IAB | 4.1 thousand | RU | 30 May 2010 |
| 00:50:C2:DC:B | IAB | 4.1 thousand | RU | 20 Feb 2011 |
| 00:50:C2:E9:2 | IAB | 4.1 thousand | RU | 5 Sep 2011 |
| 00:50:C2:F2:4 | IAB | 4.1 thousand | RU | 22 Jan 2012 |
| 00:50:C2:FB:3 | IAB | 4.1 thousand | RU | 24 Jun 2012 |
| 40:D8:55:07:2 | IAB | 4.1 thousand | RU | 23 Dec 2012 |
| 40:D8:55:15:F | IAB | 4.1 thousand | RU | 25 Aug 2013 |
| 70:B3:D5:00:5 | MA-S | 4.1 thousand | RU | 1 May 2020 |
| 70:B3:D5:23:0 | MA-S | 4.1 thousand | TW | 3 May 2015 |
| 70:B3:D5:2D:4 | MA-S | 4.1 thousand | RU | 23 Mar 2014 |
| 70:B3:D5:39:F | MA-S | 4.1 thousand | RU | 18 Nov 2020 |
| 70:B3:D5:3A:D | MA-S | 4.1 thousand | RU | 28 Jan 2018 |
| 70:B3:D5:50:D | MA-S | 4.1 thousand | RU | 17 Oct 2019 |
| 70:B3:D5:5A:3 | MA-S | 4.1 thousand | RU | 29 Nov 2015 |
| 70:B3:D5:5D:5 | MA-S | 4.1 thousand | RU | 9 Oct 2016 |
| 70:B3:D5:66:7 | MA-S | 4.1 thousand | RU | 16 May 2019 |
Every block registered to CT Company in the IEEE registries, complete. Free-text search also matches former owners.