| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:1C:73 | MA-L | 16.8 million | US | 13 May 2007 |
| 18:9C:E1 | MA-L | 16.8 million | US | 22 Mar 2025 |
| 1C:8C:6E | MA-L | 16.8 million | US | 27 Jan 2026 |
| 28:99:3A | MA-L | 16.8 million | US | 26 Aug 2016 |
| 28:E7:1D | MA-L | 16.8 million | US | 11 Jun 2022 |
| 2C:DD:E9 | MA-L | 16.8 million | US | 9 Mar 2021 |
| 38:2C:DB | MA-L | 16.8 million | US | 15 Apr 2026 |
| 38:38:A6 | MA-L | 16.8 million | US | 9 Sep 2022 |
| 44:4C:A8 | MA-L | 16.8 million | US | 12 May 2015 |
| 4C:09:97 | MA-L | 16.8 million | US | 6 Jan 2026 |
| 50:45:D7 | MA-L | 16.8 million | US | 12 Sep 2026 |
| 54:0F:2C | MA-L | 16.8 million | US | 9 Aug 2024 |
| 58:D4:69 | MA-L | 16.8 million | US | 7 Jul 2026 |
| 5C:16:C7 | MA-L | 16.8 million | US | 7 May 2011 |
| 60:29:72 | MA-L | 16.8 million | US | 6 Nov 2025 |
| 68:BF:6C | MA-L | 16.8 million | US | 10 May 2024 |
| 6C:7A:63 | MA-L | 16.8 million | US | 12 Sep 2025 |
| 6C:92:F6 | MA-L | 16.8 million | US | 22 May 2026 |
| 74:83:EF | MA-L | 16.8 million | US | 20 Jul 2017 |
| 78:5F:6C | MA-L | 16.8 million | US | 22 Jan 2025 |
| 84:50:29 | MA-L | 16.8 million | US | 27 Jan 2026 |
| 88:F7:15 | MA-L | 16.8 million | US | 22 Jan 2025 |
| 8C:01:9D | MA-L | 16.8 million | US | 26 Apr 2025 |
| 94:3B:31 | MA-L | 16.8 million | US | 12 Sep 2026 |
| 94:8E:D3 | MA-L | 16.8 million | US | 16 Oct 2020 |
| 98:5D:82 | MA-L | 16.8 million | US | 5 Aug 2018 |
| 9C:69:ED | MA-L | 16.8 million | US | 26 Jun 2024 |
| A4:7A:72 | MA-L | 16.8 million | US | 4 Mar 2025 |
| A8:8F:99 | MA-L | 16.8 million | US | 8 Nov 2024 |
| AC:3D:94 | MA-L | 16.8 million | US | 14 Jan 2023 |
| B4:3A:96 | MA-L | 16.8 million | US | 1 Jul 2025 |
| B8:58:FF | MA-L | 16.8 million | US | 10 Dec 2025 |
| B8:A1:B8 | MA-L | 16.8 million | US | 21 Sep 2024 |
| C0:69:11 | MA-L | 16.8 million | US | 7 Apr 2022 |
| C0:D6:82 | MA-L | 16.8 million | US | 21 Nov 2019 |
| C4:CA:2B | MA-L | 16.8 million | US | 24 Jul 2021 |
| C8:08:8B | MA-L | 16.8 million | US | 29 May 2025 |
| CC:1A:A3 | MA-L | 16.8 million | US | 27 Apr 2023 |
| CC:E4:D1 | MA-L | 16.8 million | US | 12 Aug 2025 |
| D4:AF:F7 | MA-L | 16.8 million | US | 12 Jun 2020 |
| D8:06:F3 | MA-L | 16.8 million | US | 5 Dec 2024 |
| E0:1C:A7 | MA-L | 16.8 million | US | 2 May 2024 |
| E0:B6:13 | MA-L | 16.8 million | US | 7 Jul 2026 |
| E0:FA:5B | MA-L | 16.8 million | US | 10 Oct 2025 |
| E4:78:76 | MA-L | 16.8 million | US | 8 Jun 2023 |
| E4:8F:B7 | MA-L | 16.8 million | US | 15 Apr 2026 |
| E8:AE:C5 | MA-L | 16.8 million | US | 1 Dec 2021 |
| EC:8A:48 | MA-L | 16.8 million | US | 9 Nov 2022 |
| F0:C7:1F | MA-L | 16.8 million | US | 22 May 2026 |
| FC:59:C0 | MA-L | 16.8 million | US | 10 Mar 2023 |
| FC:BD:67 | MA-L | 16.8 million | US | 19 Mar 2019 |
Every block registered to Arista Networks in the IEEE registries, complete. Free-text search also matches former owners.