The IEEE registry carries 2 blocks registered to General Motors, together 16.8 million addresses, first observed 31 Jul 2021, most recently 7 Mar 2025.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| E0:13:33 | MA-L | 16.8 million | US | 7 Mar 2025 |
| 8C:1F:64:CA:D | MA-S | 4.1 thousand | IL | 31 Jul 2021 |
Every block registered to General Motors 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.