| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:09:E1 | MA-L | 16.8 million | TW | 5 Jun 2002 |
| 00:14:A5 | MA-L | 16.8 million | TW | 22 May 2005 |
| 00:1A:73 | MA-L | 16.8 million | TW | 29 Nov 2006 |
| 00:21:00 | MA-L | 16.8 million | TW | 14 Apr 2008 |
| 00:26:82 | MA-L | 16.8 million | TW | 14 Jun 2009 |
| 00:90:4B | MA-L | 16.8 million | TW | 8 Sep 2000 |
| 1C:49:7B | MA-L | 16.8 million | TW | 27 May 2015 |
| 20:10:7A | MA-L | 16.8 million | TW | 15 Sep 2011 |
| 4C:BA:7D | MA-L | 16.8 million | TW | 2 Sep 2022 |
| 58:13:D3 | MA-L | 16.8 million | TW | 24 Feb 2021 |
| 80:02:9C | MA-L | 16.8 million | TW | 1 Feb 2018 |
| A8:C2:46 | MA-L | 16.8 million | TW | 13 Mar 2024 |
| AC:81:12 | MA-L | 16.8 million | TW | 4 Sep 2010 |
| E8:E1:E1 | MA-L | 16.8 million | TW | 23 Feb 2017 |
| F8:35:DD | MA-L | 16.8 million | TW | 20 Apr 2013 |
Every block registered to Gemtek Technology Co., Ltd. in the IEEE registries, complete. Free-text search also matches former owners.