| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:03:FF | MA-L | 16.8 million | US | 9 Nov 2000 |
| 00:12:5A | MA-L | 16.8 million | US | 12 Sep 2004 |
| 00:15:5D | MA-L | 16.8 million | US | 4 Aug 2005 |
| 00:17:FA | MA-L | 16.8 million | US | 13 Apr 2006 |
| 00:1D:D8 | MA-L | 16.8 million | US | 25 Sep 2007 |
| 00:22:48 | MA-L | 16.8 million | US | 18 Jun 2008 |
| 00:25:AE | MA-L | 16.8 million | US | 29 Mar 2009 |
| 04:27:28 | MA-L | 16.8 million | US | 6 Feb 2021 |
| 08:35:7D | MA-L | 16.8 million | US | 13 Feb 2026 |
| 0C:1B:7B | MA-L | 16.8 million | US | 2 Jul 2026 |
| 0C:35:26 | MA-L | 16.8 million | US | 11 Oct 2022 |
| 0C:41:3E | MA-L | 16.8 million | FI | 6 Jan 2015 |
| 0C:E7:25 | MA-L | 16.8 million | FI | 10 Apr 2015 |
| 10:2F:6B | MA-L | 16.8 million | FI | 3 Jun 2014 |
| 10:7A:2A | MA-L | 16.8 million | US | 7 May 2026 |
| 10:C7:35 | MA-L | 16.8 million | US | 3 Dec 2024 |
| 14:9A:10 | MA-L | 16.8 million | FI | 14 Feb 2015 |
| 14:CB:65 | MA-L | 16.8 million | US | 14 Sep 2021 |
| 1C:1A:DF | MA-L | 16.8 million | US | 22 Aug 2019 |
| 20:16:42 | MA-L | 16.8 million | US | 27 Jul 2022 |
| 20:62:74 | MA-L | 16.8 million | FI | 17 Oct 2014 |
| 20:A9:9B | MA-L | 16.8 million | FI | 24 May 2014 |
| 28:16:A8 | MA-L | 16.8 million | US | 9 Jan 2018 |
| 28:18:78 | MA-L | 16.8 million | US | 13 Jan 2013 |
| 28:EA:0B | MA-L | 16.8 million | US | 22 Dec 2022 |
| 2C:29:97 | MA-L | 16.8 million | FI | 22 Jul 2014 |
| 2C:54:91 | MA-L | 16.8 million | US | 8 Aug 2017 |
| 38:33:C5 | MA-L | 16.8 million | US | 30 Oct 2025 |
| 38:56:3D | MA-L | 16.8 million | US | 28 Jul 2021 |
| 3C:83:75 | MA-L | 16.8 million | FI | 29 Jan 2015 |
| 3C:FA:06 | MA-L | 16.8 million | US | 2 Sep 2022 |
| 40:12:77 | MA-L | 16.8 million | US | 10 Apr 2026 |
| 40:8E:2C | MA-L | 16.8 million | US | 2 Feb 2023 |
| 44:16:22 | MA-L | 16.8 million | US | 7 May 2020 |
| 48:50:73 | MA-L | 16.8 million | FI | 26 Feb 2015 |
| 48:7B:2F | MA-L | 16.8 million | US | 4 Mar 2025 |
| 48:86:E8 | MA-L | 16.8 million | FI | 20 Sep 2014 |
| 4C:3B:DF | MA-L | 16.8 million | US | 19 Aug 2020 |
| 54:4C:8A | MA-L | 16.8 million | US | 25 Mar 2023 |
| 58:79:61 | MA-L | 16.8 million | US | 17 May 2025 |
| 5C:BA:37 | MA-L | 16.8 million | US | 13 Oct 2016 |
| 68:6C:E6 | MA-L | 16.8 million | US | 16 Jun 2022 |
| 68:F7:D8 | MA-L | 16.8 million | US | 9 Jul 2025 |
| 6C:15:44 | MA-L | 16.8 million | US | 26 Jul 2023 |
| 6C:5D:3A | MA-L | 16.8 million | US | 23 Nov 2019 |
| 70:A8:A5 | MA-L | 16.8 million | US | 21 Nov 2025 |
| 70:BC:10 | MA-L | 16.8 million | US | 30 Sep 2018 |
| 70:F8:AE | MA-L | 16.8 million | US | 1 Nov 2022 |
| 74:76:1F | MA-L | 16.8 million | US | 3 Dec 2024 |
| 74:C4:12 | MA-L | 16.8 million | US | 17 Apr 2025 |
| 74:D8:09 | MA-L | 16.8 million | US | 7 May 2026 |
| 74:E2:8C | MA-L | 16.8 million | FI | 6 Dec 2014 |
| 78:86:2E | MA-L | 16.8 million | US | 28 Jan 2025 |
| 7C:6D:12 | MA-L | 16.8 million | US | 4 Dec 2025 |
| 7C:C0:AA | MA-L | 16.8 million | US | 20 Oct 2023 |
| 80:C5:E6 | MA-L | 16.8 million | FI | 19 Mar 2015 |
| 84:57:33 | MA-L | 16.8 million | US | 11 Apr 2019 |
| 84:63:D6 | MA-L | 16.8 million | FI | 3 Sep 2014 |
| 84:B1:E2 | MA-L | 16.8 million | US | 3 Nov 2023 |
| 90:20:D7 | MA-L | 16.8 million | US | 30 Dec 2025 |
| 90:6A:EB | MA-L | 16.8 million | US | 23 Apr 2022 |
| 94:9A:A9 | MA-L | 16.8 million | US | 8 Jun 2016 |
| 98:5F:D3 | MA-L | 16.8 million | US | 30 Oct 2015 |
| 98:7A:14 | MA-L | 16.8 million | US | 9 Apr 2019 |
| 9C:6C:15 | MA-L | 16.8 million | FI | 1 Nov 2014 |
| 9C:AA:1B | MA-L | 16.8 million | US | 15 May 2018 |
| A0:4A:5E | MA-L | 16.8 million | US | 16 Jan 2021 |
| A0:85:FC | MA-L | 16.8 million | US | 9 Jul 2020 |
| A8:8C:3E | MA-L | 16.8 million | US | 12 Oct 2021 |
| AC:8E:BD | MA-L | 16.8 million | US | 11 Apr 2024 |
| B8:31:B5 | MA-L | 16.8 million | US | 13 Jul 2018 |
| B8:4F:D5 | MA-L | 16.8 million | FI | 17 Jun 2014 |
| B8:5C:5C | MA-L | 16.8 million | US | 15 Feb 2024 |
| B8:BA:66 | MA-L | 16.8 million | US | 30 Dec 2025 |
| BC:83:85 | MA-L | 16.8 million | US | 1 Sep 2016 |
| C0:D6:D5 | MA-L | 16.8 million | US | 24 Sep 2024 |
| C4:61:C7 | MA-L | 16.8 million | US | 26 Jun 2022 |
| C4:9D:ED | MA-L | 16.8 million | US | 7 Dec 2016 |
| C4:C0:0A | MA-L | 16.8 million | US | 23 Jun 2026 |
| C4:CB:76 | MA-L | 16.8 million | US | 29 Aug 2023 |
| C8:3F:26 | MA-L | 16.8 million | US | 5 Feb 2016 |
| C8:96:65 | MA-L | 16.8 million | US | 12 Jun 2021 |
| CA:12:5C | CID | 16.8 million | US | 28 May 2017 |
| CC:0D:CB | MA-L | 16.8 million | US | 28 Aug 2025 |
| CC:60:C8 | MA-L | 16.8 million | US | 25 Dec 2021 |
| CC:76:45 | MA-L | 16.8 million | US | 21 Nov 2025 |
| CC:AA:00 | MA-L | 16.8 million | US | 3 Aug 2026 |
| CC:B0:B3 | MA-L | 16.8 million | US | 4 Jul 2024 |
| D0:92:9E | MA-L | 16.8 million | FI | 30 Sep 2014 |
| D4:8F:33 | MA-L | 16.8 million | FI | 17 Jun 2014 |
| D8:E2:DF | MA-L | 16.8 million | US | 12 Jan 2022 |
| DC:98:40 | MA-L | 16.8 million | US | 11 Jan 2020 |
| E4:2A:AC | MA-L | 16.8 million | US | 11 Apr 2021 |
| E4:FA:DE | MA-L | 16.8 million | US | 10 Apr 2026 |
| E4:FB:1E | MA-L | 16.8 million | US | 6 Mar 2026 |
| E4:FE:D4 | MA-L | 16.8 million | US | 27 Aug 2026 |
| E8:A7:2F | MA-L | 16.8 million | US | 12 Sep 2021 |
| E8:F6:73 | MA-L | 16.8 million | US | 6 Jul 2024 |
| EC:46:84 | MA-L | 16.8 million | US | 3 Sep 2025 |
| EC:59:E7 | MA-L | 16.8 million | FI | 20 Aug 2014 |
| EC:83:50 | MA-L | 16.8 million | US | 19 Aug 2017 |
| F0:1D:BC | MA-L | 16.8 million | US | 13 Sep 2016 |
| F0:6E:0B | MA-L | 16.8 million | US | 18 Jul 2017 |
| F4:6A:D7 | MA-L | 16.8 million | US | 30 Dec 2020 |
| F8:A9:86 | MA-L | 16.8 million | US | 27 Aug 2026 |
| FC:8C:11 | MA-L | 16.8 million | US | 2 Jun 2023 |
Every block registered to Microsoft Corporation in the IEEE registries, complete. Free-text search also matches former owners.