The IEEE registry carries 2 blocks registered to Bosch Security Systems, together 17.8 million addresses, first observed 23 Nov 2000, most recently 27 Aug 2025.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:04:63 | MA-L | 16.8 million | US | 23 Nov 2000 |
| 50:FA:CB:9 | MA-M | 1 million | PT | 27 Aug 2025 |
Every block registered to Bosch Security Systems 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.