The IEEE registry carries 2 blocks registered to Contec Steuerungstechnik & Automation GmbH, together 8.2 thousand addresses, first observed 30 Jul 2008, most recently 22 Sep 2013.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:40:A | IAB | 4.1 thousand | AT | 30 Jul 2008 |
| 40:D8:55:17:3 | IAB | 4.1 thousand | US | 22 Sep 2013 |
Every block registered to Contec Steuerungstechnik & Automation GmbH in the IEEE registries, complete. Free-text search also matches former owners.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.