| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 70:B3:D5:03:E | MA-S | 4.1 thousand | TW | 2 Oct 2019 |
| 70:B3:D5:1B:A | MA-S | 4.1 thousand | TW | 13 Aug 2020 |
| 70:B3:D5:1F:C | MA-S | 4.1 thousand | TW | 24 Apr 2019 |
| 70:B3:D5:46:D | MA-S | 4.1 thousand | TW | 14 Jan 2021 |
| 70:B3:D5:75:2 | MA-S | 4.1 thousand | TW | 1 Jul 2019 |
| 70:B3:D5:82:9 | MA-S | 4.1 thousand | TW | 13 Jan 2021 |
| 70:B3:D5:E2:B | MA-S | 4.1 thousand | TW | 27 May 2018 |
| 70:B3:D5:F6:A | MA-S | 4.1 thousand | TW | 4 Feb 2020 |
| 70:B3:D5:F8:0 | MA-S | 4.1 thousand | TW | 23 Nov 2019 |
| 8C:1F:64:00:C | MA-S | 4.1 thousand | TW | 13 Aug 2022 |
| 8C:1F:64:45:1 | MA-S | 4.1 thousand | TW | 25 Jul 2023 |
| 8C:1F:64:4C:D | MA-S | 4.1 thousand | TW | 14 Aug 2021 |
| 8C:1F:64:76:C | MA-S | 4.1 thousand | TW | 23 Jul 2024 |
| 8C:1F:64:7B:5 | MA-S | 4.1 thousand | TW | 16 Jun 2022 |
| 8C:1F:64:8A:9 | MA-S | 4.1 thousand | TW | 7 Aug 2021 |
| 8C:1F:64:8C:D | MA-S | 4.1 thousand | TW | 19 Oct 2024 |
| 8C:1F:64:A0:1 | MA-S | 4.1 thousand | TW | 7 Dec 2021 |
| 8C:1F:64:A4:1 | MA-S | 4.1 thousand | TW | 15 Apr 2026 |
Every block registered to Guan Show Technologe Co., Ltd. in the IEEE registries, complete. Free-text search also matches former owners.