| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 64:D2:41 | MA-L | 16.8 million | DE | 23 Feb 2011 |
| 00:50:C2:0E:C | IAB | 4.1 thousand | DE | 30 Jul 2008 |
| 00:50:C2:3B:8 | IAB | 4.1 thousand | DE | 30 Jul 2008 |
| 00:50:C2:66:8 | IAB | 4.1 thousand | DE | 30 Jul 2008 |
| 00:50:C2:70:1 | IAB | 4.1 thousand | DE | 30 Jul 2008 |
| 00:50:C2:78:6 | IAB | 4.1 thousand | DE | 30 Jul 2008 |
| 00:50:C2:82:B | IAB | 4.1 thousand | DE | 30 Jul 2008 |
| 00:50:C2:8B:5 | IAB | 4.1 thousand | DE | 30 Jul 2008 |
| 00:50:C2:94:2 | IAB | 4.1 thousand | DE | 30 Jul 2008 |
| 00:50:C2:99:0 | IAB | 4.1 thousand | DE | 8 Oct 2008 |
| 00:50:C2:9F:2 | IAB | 4.1 thousand | DE | 7 Dec 2008 |
| 00:50:C2:A7:7 | IAB | 4.1 thousand | DE | 15 Mar 2009 |
| 00:50:C2:B1:4 | IAB | 4.1 thousand | DE | 16 Aug 2009 |
| 00:50:C2:B8:C | IAB | 4.1 thousand | DE | 15 Nov 2009 |
| 00:50:C2:C1:0 | IAB | 4.1 thousand | DE | 14 Feb 2010 |
| 00:50:C2:C8:F | IAB | 4.1 thousand | DE | 9 May 2010 |
| 00:50:C2:CE:A | IAB | 4.1 thousand | DE | 8 Aug 2010 |
| 00:50:C2:D4:E | IAB | 4.1 thousand | DE | 24 Oct 2010 |
| 00:50:C2:D8:0 | IAB | 4.1 thousand | DE | 28 Nov 2010 |
| 00:50:C2:DA:D | IAB | 4.1 thousand | DE | 23 Jan 2011 |
| 00:50:C2:DC:4 | IAB | 4.1 thousand | DE | 20 Feb 2011 |
Every block registered to Keith & Koep GmbH in the IEEE registries, complete. Free-text search also matches former owners.