| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:10:C6 | MA-L | 16.8 million | TW | 22 Apr 1998 |
| 00:16:41 | MA-L | 16.8 million | TW | 29 Oct 2005 |
| 00:1A:6B | MA-L | 16.8 million | TW | 29 Nov 2006 |
| 00:1E:37 | MA-L | 16.8 million | TW | 25 Sep 2007 |
| 00:21:86 | MA-L | 16.8 million | TW | 18 Jun 2008 |
| 00:24:7E | MA-L | 16.8 million | TW | 7 Dec 2008 |
| 00:27:13 | MA-L | 16.8 million | TW | 31 Jul 2009 |
| 04:7B:CB | MA-L | 16.8 million | TW | 20 Dec 2020 |
| 08:3A:88 | MA-L | 16.8 million | TW | 6 Jun 2019 |
| 0C:3C:CD | MA-L | 16.8 million | TW | 6 Oct 2016 |
| 10:E1:8E | MA-L | 16.8 million | TW | 25 Sep 2024 |
| 38:7C:76 | MA-L | 16.8 million | TW | 6 May 2022 |
| 3C:E1:A1 | MA-L | 16.8 million | TW | 9 Jan 2018 |
| 40:2C:F4 | MA-L | 16.8 million | TW | 27 Apr 2011 |
| 44:39:C4 | MA-L | 16.8 million | TW | 21 Feb 2013 |
| 6C:0B:84 | MA-L | 16.8 million | TW | 29 Jul 2014 |
| 70:26:61 | MA-L | 16.8 million | TW | 17 Sep 2025 |
| 70:F3:95 | MA-L | 16.8 million | TW | 5 Mar 2010 |
| 8C:3B:4A | MA-L | 16.8 million | TW | 19 Apr 2023 |
| CC:52:AF | MA-L | 16.8 million | TW | 26 Jan 2011 |
| E0:2A:82 | MA-L | 16.8 million | TW | 28 Aug 2010 |
| E0:4F:43 | MA-L | 16.8 million | TW | 18 Feb 2016 |
| FC:4D:D4 | MA-L | 16.8 million | TW | 5 Nov 2011 |
Every block registered to Universal Global Scientific Industrial., Ltd in the IEEE registries, complete. Free-text search also matches former owners.