| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 5C:C2:13 | MA-L | 16.8 million | CH | 11 Nov 2011 |
| 00:50:C2:1F:9 | IAB | 4.1 thousand | CH | 30 Jul 2008 |
| 00:50:C2:49:1 | IAB | 4.1 thousand | CH | 30 Jul 2008 |
| 00:50:C2:7C:8 | IAB | 4.1 thousand | CH | 30 Jul 2008 |
| 00:50:C2:8B:A | IAB | 4.1 thousand | CH | 30 Jul 2008 |
| 00:50:C2:A6:1 | IAB | 4.1 thousand | CH | 22 Feb 2009 |
| 00:50:C2:AF:0 | IAB | 4.1 thousand | CH | 5 Jul 2009 |
| 00:50:C2:CA:F | IAB | 4.1 thousand | CH | 13 Jun 2010 |
| 00:50:C2:D2:7 | IAB | 4.1 thousand | CH | 3 Oct 2010 |
| 00:50:C2:DE:6 | IAB | 4.1 thousand | CH | 13 Mar 2011 |
| 00:50:C2:E2:9 | IAB | 4.1 thousand | CH | 7 Aug 2011 |
| 00:50:C2:E7:7 | IAB | 4.1 thousand | CH | 14 Aug 2011 |
Every block registered to Fr. Sauter AG in the IEEE registries, complete. Free-text search also matches former owners.