| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| C4:82:72:3 | MA-M | 1 million | IL | 30 Mar 2026 |
| C4:83:72:3 | MA-M | 1 million | IL | 8 Jul 2022 |
Every block registered to NextSilicon in the IEEE registries, complete. Free-text search also matches former owners.
NextSilicon MAC address blocks
The IEEE registry carries 2 blocks registered to NextSilicon, together 2.1 million addresses, first observed 8 Jul 2022, most recently 30 Mar 2026.
Registered in IL.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.