| Organization | Blocks | Addresses | First registered |
|---|---|---|---|
| Gallagher Group Limited | 2 | 33.6 million | 8 Sep 2000 |
| 4RF Communications Ltd | 3 | 16.8 million | 19 Jul 2008 |
| Imarda New Zealand Limited | 3 | 16.8 million | 26 Nov 2004 |
| Abbey Systems Ltd | 1 | 16.8 million | 26 Nov 2004 |
| Acurix Networks Pty Ltd | 1 | 16.8 million | 15 Mar 2012 |
| ADInstruments | 1 | 16.8 million | 14 Oct 2002 |
| Allied Telesis Labs Ltd | 1 | 16.8 million | 22 Apr 1998 |
| Arrowhead Alarm Products Ltd | 1 | 16.8 million | 17 May 2012 |
| Asia Pacific Brands | 1 | 16.8 million | 7 Sep 2012 |
| Barberry Solutions Ltd | 1 | 16.8 million | 31 Mar 2010 |
| Baycity Technologies Ltd | 1 | 16.8 million | 18 Aug 2012 |
| BEP Marine | 1 | 16.8 million | 18 Jun 2008 |
| Bhuu Limited | 1 | 16.8 million | 6 Nov 2010 |
| Capisco Limited | 1 | 16.8 million | 20 Oct 2011 |
| Commtest Instruments Ltd | 1 | 16.8 million | 25 Sep 2007 |
| Computer Engineering Limited | 1 | 16.8 million | 2 Nov 2006 |
| Connexionz Limited | 1 | 16.8 million | 19 Nov 2002 |
| Data Acquisitions limited | 1 | 16.8 million | 20 Dec 2004 |
| Day One Digital Media Limited | 1 | 16.8 million | 1 Feb 2004 |
| Direct Payment Solutions Limited | 1 | 16.8 million | 23 Dec 2009 |
| DishTV NZ Ltd | 1 | 16.8 million | 3 Sep 2009 |
| Enatel LTD | 1 | 16.8 million | 6 Jul 2011 |
| Endace Technology | 1 | 16.8 million | 21 Dec 2003 |
| Energy Imports Ltd | 1 | 16.8 million | 19 Nov 2013 |
| FISHER & PAYKEL PRODUCTION | 1 | 16.8 million | 22 Apr 1998 |
| FUSION Electronics Ltd | 1 | 16.8 million | 11 May 2011 |
| Fusion Transactive Ltd. | 1 | 16.8 million | 1 May 2012 |
| Heyrex Limited | 1 | 16.8 million | 24 Feb 2012 |
| Integrated Control Technology Limitied | 1 | 16.8 million | 7 Mar 2007 |
| iQuest (NZ) Ltd | 1 | 16.8 million | 4 Aug 2004 |
| Naman NZ LTd | 1 | 16.8 million | 5 Mar 2003 |
| Navico Auckland Ltd | 1 | 16.8 million | 21 Dec 2003 |
| Navman New Zealand | 1 | 16.8 million | 9 Feb 2007 |
| ORIENTAL PACIFIC INTERNATIONAL LIMITED | 1 | 16.8 million | 11 May 2011 |
| PCS Systemtechnik GmbH | 1 | 16.8 million | 23 Jan 2004 |
| PDL Electronics Ltd | 1 | 16.8 million | 1 Apr 2005 |
| Pertronic Industries | 1 | 16.8 million | 11 Jul 2013 |
| Pharos Systems NZ | 1 | 16.8 million | 3 Jun 2004 |
| Silicondust Engineering Ltd | 1 | 16.8 million | 1 Jul 2006 |
| Tait Electronics | 1 | 16.8 million | 23 Jul 2003 |
| Tekron International Ltd | 1 | 16.8 million | 18 Aug 2007 |
| Teletrak Ltd | 1 | 16.8 million | 9 Feb 2007 |
| Vcomms Connect Limited | 1 | 16.8 million | 17 Apr 2001 |
| DesignA Electronics Limited | 4 | 1.1 million | 31 Mar 2013 |
| Audio Engineering Ltd. | 2 | 1.1 million | 29 Mar 2009 |
| ABB Electrification Smart Power (ELSP) | 1 | 1 million | 5 Jun 2021 |
| Agile Workspace Limited | 1 | 1 million | 1 Apr 2025 |
| Earshots | 1 | 1 million | 17 Sep 2021 |
| eight | 1 | 1 million | 17 Jan 2024 |
| LYNX INNOVATION LITIMED | 1 | 1 million | 6 Mar 2016 |
| Nautech Electronics Ltd | 1 | 1 million | 16 May 2020 |
| NewLand (NZ) Communication Tech Limited | 1 | 1 million | 31 Jul 2016 |
| PowerShield Limited | 1 | 1 million | 16 Oct 2015 |
| SMART ELECTRONICS NZ LIMITED | 1 | 1 million | 16 Oct 2015 |
| TASKA Prosthetics | 1 | 1 million | 15 Dec 2023 |
| Vigil Monitoring | 1 | 1 million | 16 Oct 2015 |
| Wetatronics Limited | 1 | 1 million | 24 May 2025 |
| Wildtech | 1 | 1 million | 14 Jan 2026 |
| Monitor Business Machines Ltd | 3 | 12.3 thousand | 30 Jul 2008 |
| Device Solutions Ltd | 2 | 8.2 thousand | 8 Dec 2013 |
| Enatel Limited | 2 | 8.2 thousand | 30 Jul 2008 |
| Postec Data Systems Ltd | 2 | 8.2 thousand | 30 Jul 2008 |
| Xworks NZ Limited | 2 | 8.2 thousand | 30 Jul 2008 |
| Actronic Technologies | 1 | 4.1 thousand | 18 Aug 2013 |
| Bluewater Systems Ltd | 1 | 4.1 thousand | 30 Jul 2008 |
| C W F Hamilton & Co Ltd | 1 | 4.1 thousand | 24 Mar 2020 |
| Cleverscope | 1 | 4.1 thousand | 17 Apr 2011 |
| Dial Plan Limited | 1 | 4.1 thousand | 16 Jan 2025 |
| Dynamic Controls | 1 | 4.1 thousand | 2 Nov 2014 |
| Electronic Navigation Ltd | 1 | 4.1 thousand | 13 Sep 2015 |
| Enatel | 1 | 4.1 thousand | 8 Nov 2009 |
| Farmote Limited | 1 | 4.1 thousand | 29 Mar 2022 |
| Groundtruth Ltd | 1 | 4.1 thousand | 10 Mar 2026 |
| HMI Technologies | 1 | 4.1 thousand | 28 Nov 2010 |
| Integration Technologies Limited | 1 | 4.1 thousand | 11 Apr 2010 |
| Invensys Energy Systens (NZ) Limited | 1 | 4.1 thousand | 30 Jul 2008 |
| Invert Robotics Ltd. | 1 | 4.1 thousand | 10 Jun 2020 |
| IOT Engineering | 1 | 4.1 thousand | 16 Jul 2017 |
| Itronics Ltd | 1 | 4.1 thousand | 15 Jan 2019 |
| Letechnic Ltd | 1 | 4.1 thousand | 30 Jul 2008 |
| Loadrite (Auckland) Limited | 1 | 4.1 thousand | 27 May 2022 |
| Loop Technologies | 1 | 4.1 thousand | 16 Nov 2022 |
| Micram Instruments Ltd | 1 | 4.1 thousand | 7 Jun 2015 |
| Monitor Business Machines | 1 | 4.1 thousand | 27 Nov 2011 |
| Phitek Systems Ltd. | 1 | 4.1 thousand | 30 Jul 2008 |
| POSTEC DATA SYSTEMS | 1 | 4.1 thousand | 31 Mar 2013 |
| QuickCircuit Ltd. | 1 | 4.1 thousand | 30 Jul 2008 |
| R&D Technology Solutionz Limited | 1 | 4.1 thousand | 30 Jul 2008 |
| Red Phase Technologies Limited | 1 | 4.1 thousand | 23 Feb 2023 |
| RMSD LTD | 1 | 4.1 thousand | 30 Jul 2008 |
| Rocket Lab Ltd. | 1 | 4.1 thousand | 19 Jun 2016 |
| S4 Technology Pty Ltd | 1 | 4.1 thousand | 30 Jul 2008 |
| Sea Air and Land Communications Ltd | 1 | 4.1 thousand | 26 Jun 2016 |
| SenSys (Design Electronics Ltd) | 1 | 4.1 thousand | 4 Dec 2016 |
| Sintium Ltd | 1 | 4.1 thousand | 30 Jul 2008 |
| Todd Digital Limited | 1 | 4.1 thousand | 12 Dec 2019 |
| Virsae Group Ltd | 1 | 4.1 thousand | 2 Mar 2019 |
| Wine Technology Marlborough | 1 | 4.1 thousand | 7 Aug 2011 |
| WTE Limited | 1 | 4.1 thousand | 11 May 2019 |
| Xitek Design Limited | 1 | 4.1 thousand | 17 Apr 2011 |
Every organization with blocks registered in New Zealand, sorted by total address space.