The IEEE registry carries 2 blocks registered to Yu Heng Electric CO. TD, together 8.2 thousand addresses, first observed 16 May 2021, most recently 15 Jul 2025.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 8C:1F:64:1F:C | MA-S | 4.1 thousand | CN | 15 Jul 2025 |
| 8C:1F:64:57:5 | MA-S | 4.1 thousand | TW | 16 May 2021 |
Every block registered to Yu Heng Electric CO. TD 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.