| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:09:0F | MA-L | 16.8 million | US | 30 Jan 2002 |
| 00:0C:E6 | MA-L | 16.8 million | US | 8 Apr 2003 |
| 04:01:A1 | MA-L | 16.8 million | US | 11 Apr 2024 |
| 04:D5:90 | MA-L | 16.8 million | US | 4 Apr 2019 |
| 08:5B:0E | MA-L | 16.8 million | US | 10 May 2012 |
| 1C:C2:12 | MA-L | 16.8 million | US | 18 Sep 2026 |
| 1C:D1:1A | MA-L | 16.8 million | US | 21 Aug 2025 |
| 38:C0:EA | MA-L | 16.8 million | US | 1 Jul 2023 |
| 48:3A:02 | MA-L | 16.8 million | US | 11 Apr 2024 |
| 5C:63:B0 | MA-L | 16.8 million | US | 16 Apr 2026 |
| 68:CC:AE | MA-L | 16.8 million | US | 21 Aug 2025 |
| 70:4C:A5 | MA-L | 16.8 million | US | 20 Jan 2017 |
| 74:78:A6 | MA-L | 16.8 million | US | 16 May 2023 |
| 78:18:EC | MA-L | 16.8 million | US | 20 Oct 2023 |
| 7C:25:A3 | MA-L | 16.8 million | US | 18 Sep 2026 |
| 80:5A:70 | MA-L | 16.8 million | US | 16 Apr 2026 |
| 80:80:2C | MA-L | 16.8 million | US | 18 Feb 2023 |
| 84:39:8F | MA-L | 16.8 million | US | 13 Nov 2022 |
| 90:6C:AC | MA-L | 16.8 million | US | 7 Mar 2015 |
| 94:F3:92 | MA-L | 16.8 million | US | 31 Jul 2022 |
| 94:FF:3C | MA-L | 16.8 million | US | 29 Jul 2021 |
| AC:71:2E | MA-L | 16.8 million | US | 6 Mar 2022 |
| B4:B2:E9 | MA-L | 16.8 million | US | 15 Mar 2025 |
| D4:76:A0 | MA-L | 16.8 million | US | 11 Oct 2020 |
| D4:B4:C0 | MA-L | 16.8 million | US | 15 Mar 2025 |
| E0:23:FF | MA-L | 16.8 million | US | 16 Jan 2020 |
| E8:1C:BA | MA-L | 16.8 million | US | 9 Jun 2018 |
| E8:ED:D6 | MA-L | 16.8 million | US | 3 Apr 2021 |
Every block registered to Fortinet, Inc. in the IEEE registries, complete. Free-text search also matches former owners.