The IEEE registry carries 3 blocks registered to Wuxi Sunning Smart Devices Co.,Ltd, together 18.9 million addresses, first observed 24 Mar 2023, most recently 10 Sep 2025.
Registered in CN.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 80:57:22 | MA-L | 16.8 million | CN | 10 Sep 2025 |
| 90:F4:21:6 | MA-M | 1 million | CN | 24 Mar 2023 |
| F4:20:55:D | MA-M | 1 million | CN | 22 Jun 2024 |
Every block registered to Wuxi Sunning Smart Devices Co.,Ltd 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.