The IEEE registry carries 2 blocks registered to Holtek Semiconductor Inc., together 33.6 million addresses, first observed 1 Sep 2017, most recently 19 Oct 2017.
Registered in TW.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 04:AC:44 | MA-L | 16.8 million | TW | 19 Oct 2017 |
| B8:CA:04 | MA-L | 16.8 million | TW | 1 Sep 2017 |
Every block registered to Holtek Semiconductor Inc. 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.