The IEEE registry carries 3 blocks registered to Elektrotechnik & Elektronik Oltmann GmbH, together 12.3 thousand addresses, first observed 30 Jul 2008, most recently 17 Nov 2025.
Registered in DE.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:3A:7 | IAB | 4.1 thousand | DE | 30 Jul 2008 |
| 8C:1F:64:AD:0 | MA-S | 4.1 thousand | DE | 30 Mar 2023 |
| 8C:1F:64:FC:A | MA-S | 4.1 thousand | DE | 17 Nov 2025 |
Every block registered to Elektrotechnik & Elektronik Oltmann 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.