The IEEE registry carries 3 blocks registered to First Design System Inc., together 1.1 million addresses, first observed 24 Feb 2013, most recently 17 Dec 2025.
Registered in JP.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 98:6E:E8:E | MA-M | 1 million | JP | 10 Aug 2021 |
| 40:D8:55:0A:7 | IAB | 4.1 thousand | JP | 24 Feb 2013 |
| 8C:1F:64:A7:2 | MA-S | 4.1 thousand | JP | 17 Dec 2025 |
Every block registered to First Design System 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.