The IEEE registry carries 2 blocks registered to YOKOWO CO., LTD., together 16.8 million addresses, first observed 30 May 2010, most recently 4 Aug 2026.
Registered in JP.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 74:5E:B4 | MA-L | 16.8 million | JP | 4 Aug 2026 |
| 00:50:C2:CA:5 | IAB | 4.1 thousand | JP | 30 May 2010 |
Every block registered to YOKOWO 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.