The IEEE registry carries 3 blocks registered to Erba Lachema s.r.o., together 1.1 million addresses, first observed 16 Feb 2022, most recently 28 Feb 2026.
Registered in CZ.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 18:A5:9C:A | MA-M | 1 million | CZ | 16 Feb 2022 |
| 8C:1F:64:2E:3 | MA-S | 4.1 thousand | CZ | 11 Mar 2023 |
| 8C:1F:64:BC:F | MA-S | 4.1 thousand | CZ | 28 Feb 2026 |
Every block registered to Erba Lachema s.r.o. 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.