| Organization | Blocks | Addresses | First registered |
|---|---|---|---|
| Nevion | 3 | 50.3 million | 1 Jun 2003 |
| Heimgard Technologies AS | 2 | 33.6 million | 18 Nov 2021 |
| Nordic Semiconductor ASA | 2 | 33.6 million | 25 Apr 2019 |
| Autronica Fire And Securirty | 2 | 16.8 million | 30 Jul 2008 |
| Cyviz AS | 2 | 16.8 million | 8 Jun 2014 |
| Radionor Communications | 2 | 16.8 million | 25 Sep 2007 |
| TSAT AS | 2 | 16.8 million | 11 Sep 2016 |
| A/S MYCRON | 1 | 16.8 million | 8 Sep 2000 |
| ABB AS, Division Automation Products | 1 | 16.8 million | 9 Feb 2007 |
| Appear AS | 1 | 16.8 million | 17 Feb 2005 |
| AUROTECH ultrasound AS. | 1 | 16.8 million | 30 Nov 2008 |
| Auto-Maskin | 1 | 16.8 million | 29 Nov 2005 |
| AXXESSIT ASA | 1 | 16.8 million | 23 Nov 2000 |
| BioControl AS | 1 | 16.8 million | 19 Aug 2010 |
| Bridge Technologies Co AS | 1 | 16.8 million | 23 Nov 2008 |
| Cisco Systems Norway | 1 | 16.8 million | 12 Nov 2019 |
| COMMidt AS | 1 | 16.8 million | 7 Jun 2009 |
| Digital Innovation | 1 | 16.8 million | 21 Jun 2009 |
| Disruptive Technologies Research AS | 1 | 16.8 million | 29 Sep 2017 |
| Dolphin Interconnect Solutions AS | 1 | 16.8 million | 21 Oct 2004 |
| DSL Partner AS | 1 | 16.8 million | 24 Nov 2005 |
| Earforce AS | 1 | 16.8 million | 6 Mar 2006 |
| Eidsvoll Electronics AS | 1 | 16.8 million | 11 May 2004 |
| Electrocompaniet A.S. | 1 | 16.8 million | 29 Apr 2015 |
| Energy Micro AS | 1 | 16.8 million | 17 Sep 2011 |
| Ericsson | 1 | 16.8 million | 16 Sep 2005 |
| ESSENCORE limited | 1 | 16.8 million | 26 Sep 2021 |
| Fiberworks AS | 1 | 16.8 million | 28 May 2017 |
| FMC Kongsberg Subsea AS | 1 | 16.8 million | 7 Mar 2007 |
| FXI TECHNOLOGIES AS | 1 | 16.8 million | 6 Mar 2012 |
| Galleon Embedded Computing | 1 | 16.8 million | 3 Feb 2011 |
| Glen Dimplex Nordic as | 1 | 16.8 million | 23 May 2013 |
| Hatteland Computer AS | 1 | 16.8 million | 8 Oct 2009 |
| High Density Devices AS | 1 | 16.8 million | 20 Nov 2007 |
| ID SCANDINAVIA AS | 1 | 16.8 million | 22 Apr 1998 |
| INDATA | 1 | 16.8 million | 8 Sep 2000 |
| Jensen Scandinavia AS | 1 | 16.8 million | 15 Apr 2010 |
| Jotron Electronics A/S | 1 | 16.8 million | 24 Oct 2001 |
| Kongsberg Defence & Aerospace | 1 | 16.8 million | 20 Feb 2008 |
| Kongsberg Seatex AS | 1 | 16.8 million | 4 Jun 2001 |
| Kygo Life A | 1 | 16.8 million | 6 Jul 2017 |
| Laerdal Medical | 1 | 16.8 million | 19 Mar 2010 |
| Miljovakt AS | 1 | 16.8 million | 24 Sep 2010 |
| Neatframe AS | 1 | 16.8 million | 8 May 2019 |
| NEO Monitors AS | 1 | 16.8 million | 4 Jun 2014 |
| Nera Networks AS | 1 | 16.8 million | 22 Apr 1998 |
| NextGenTel Holding ASA | 1 | 16.8 million | 24 Jul 2004 |
| NORBIT ITS | 1 | 16.8 million | 29 Jan 2011 |
| NORCONTROL A.S. | 1 | 16.8 million | 22 Apr 1998 |
| Nordiag ASA | 1 | 16.8 million | 29 Jul 2009 |
| Norphonic AS | 1 | 16.8 million | 14 Apr 2011 |
| NORSK DATA A.S. | 1 | 16.8 million | 8 Sep 2000 |
| Nortek-AS | 1 | 16.8 million | 7 Dec 2011 |
| NSSLGlobal Technologies AS | 1 | 16.8 million | 22 Apr 1998 |
| OnTime Networks AS | 1 | 16.8 million | 21 Nov 2009 |
| OTRUM ASA | 1 | 16.8 million | 9 Sep 2002 |
| PCTVnet ASA | 1 | 16.8 million | 8 Sep 2000 |
| Pixavi AS | 1 | 16.8 million | 20 Oct 2009 |
| Polewall Norge AS | 1 | 16.8 million | 25 Jun 2013 |
| Power-One as | 1 | 16.8 million | 3 Aug 2002 |
| Prox Dynamics AS | 1 | 16.8 million | 17 Nov 2011 |
| Q-Free ASA | 1 | 16.8 million | 10 Oct 2004 |
| Radiocrafts AS | 1 | 16.8 million | 8 Jul 2005 |
| REALTIMEID AS | 1 | 16.8 million | 15 Apr 2022 |
| Scanmatic AS | 1 | 16.8 million | 25 Apr 2003 |
| SG Armaturen AS | 1 | 16.8 million | 3 May 2025 |
| SIMRAD AS | 1 | 16.8 million | 22 Apr 1998 |
| Simrad Optronics ASA | 1 | 16.8 million | 23 Jul 2003 |
| SKIPPER AS | 1 | 16.8 million | 9 Aug 2013 |
| SmartOptics AS | 1 | 16.8 million | 16 Jun 2011 |
| Solberg & Andersen AS | 1 | 16.8 million | 16 Nov 2011 |
| Sonitor Technologies AS | 1 | 16.8 million | 29 Mar 2002 |
| Spagat AS | 1 | 16.8 million | 23 Jul 2003 |
| Squarehead Technology AS | 1 | 16.8 million | 7 Dec 2010 |
| Steinsvik | 1 | 16.8 million | 24 May 2013 |
| Tandberg Data ASA | 1 | 16.8 million | 24 Jul 2004 |
| Tandberg Storage ASA | 1 | 16.8 million | 9 Dec 2005 |
| TANDBERG TELECOM AS | 1 | 16.8 million | 8 Sep 2000 |
| TANDBERG TELEVISION AS | 1 | 16.8 million | 22 Apr 1998 |
| Texas Instruments | 1 | 16.8 million | 2 Sep 2004 |
| Tiny Mesh AS | 1 | 16.8 million | 17 Jan 2019 |
| Tomra Systems ASA | 1 | 16.8 million | 9 Nov 2000 |
| TransPacket AS | 1 | 16.8 million | 16 Feb 2012 |
| VisSim AS | 1 | 16.8 million | 12 May 2012 |
| VitalThings AS | 1 | 16.8 million | 3 Jun 2020 |
| Witelcom AS | 1 | 16.8 million | 14 Jan 2008 |
| Xplora Technologies AS | 1 | 16.8 million | 27 Jul 2022 |
| Zenitel Norway AS | 1 | 16.8 million | 25 Feb 2005 |
| Zylin AS | 1 | 16.8 million | 8 Oct 2008 |
| Zaptec | 2 | 2.1 million | 20 Jan 2021 |
| Airthings | 3 | 1.1 million | 15 Apr 2018 |
| RoomMate AS | 2 | 1.1 million | 27 Dec 2015 |
| Visitech AS | 2 | 1.1 million | 19 Feb 2012 |
| After Technologies | 1 | 1 million | 6 May 2026 |
| Amina Distribution AS | 1 | 1 million | 11 Sep 2025 |
| Argos Solutions AS | 1 | 1 million | 1 Nov 2020 |
| BARTEC PIXAVI AS | 1 | 1 million | 13 Mar 2022 |
| Celerway Communication AS | 1 | 1 million | 12 Aug 2018 |
| DEFA AS | 1 | 1 million | 5 Mar 2022 |
| EFD Induction | 1 | 1 million | 2 Oct 2016 |
| FARA AS | 1 | 1 million | 26 Mar 2017 |
| Firmware Design AS | 1 | 1 million | 16 Oct 2015 |
| Green Fox Electro AS | 1 | 1 million | 21 Jan 2018 |
| Gronn Kontakt AS | 1 | 1 million | 5 Jul 2020 |
| Home Control AS | 1 | 1 million | 13 Nov 2019 |
| Huddly AS | 1 | 1 million | 3 Dec 2019 |
| Indra Navia AS | 1 | 1 million | 13 Dec 2015 |
| Indusenz AS | 1 | 1 million | 25 Jan 2025 |
| Mode Sensors AS | 1 | 1 million | 25 Feb 2026 |
| NORBIT ASA | 1 | 1 million | 8 May 2026 |
| Safebase AS | 1 | 1 million | 12 Dec 2024 |
| Sensio AS | 1 | 1 million | 6 Mar 2025 |
| T-Radio AS | 1 | 1 million | 16 Oct 2015 |
| Valeo Siemens eAutomotive Norway | 1 | 1 million | 30 Apr 2017 |
| Zivid AS | 1 | 1 million | 28 Jun 2019 |
| ZXY Sport Tracking | 1 | 1 million | 16 Oct 2015 |
| Abbott Diagnostics Technologies AS | 23 | 94.2 thousand | 29 Aug 2019 |
| Alere Technologies AS | 5 | 20.5 thousand | 30 Oct 2016 |
| Norbit ODM AS | 4 | 16.4 thousand | 30 Jul 2008 |
| 3D perception AS | 2 | 8.2 thousand | 30 Jul 2008 |
| Proserv | 2 | 8.2 thousand | 30 Jul 2008 |
| Aanderaa Data Instruments | 1 | 4.1 thousand | 29 Aug 2010 |
| Alphatek AS | 1 | 4.1 thousand | 8 Sep 2022 |
| AV SatCom AS | 1 | 4.1 thousand | 30 Jul 2008 |
| Axis-Shield PoC AS | 1 | 4.1 thousand | 21 Feb 2010 |
| Axnes AS | 1 | 4.1 thousand | 30 Jan 2020 |
| Cathwell AS | 1 | 4.1 thousand | 6 Dec 2015 |
| Comrod AS | 1 | 4.1 thousand | 9 Apr 2017 |
| dspnor | 1 | 4.1 thousand | 9 Oct 2011 |
| Fell Technology AS | 1 | 4.1 thousand | 24 Jan 2025 |
| Goodtech AS dep Fredrikstad | 1 | 4.1 thousand | 4 May 2022 |
| Hatteland Display AS | 1 | 4.1 thousand | 1 Jun 2014 |
| Hatteland Technology AS | 1 | 4.1 thousand | 23 Mar 2026 |
| ID Lock AS | 1 | 4.1 thousand | 15 Mar 2015 |
| International Water Treatment Maritime AS | 1 | 4.1 thousand | 28 Oct 2021 |
| LAUD Electronic Design AS | 1 | 4.1 thousand | 30 Jul 2008 |
| Lightside Instruments AS | 1 | 4.1 thousand | 5 Nov 2020 |
| Lyse AS | 1 | 4.1 thousand | 26 Nov 2019 |
| Miros AS | 1 | 4.1 thousand | 30 Jul 2008 |
| Nordic Automation Systems AS | 1 | 4.1 thousand | 15 Nov 2015 |
| Norwia AS | 1 | 4.1 thousand | 7 Aug 2011 |
| OCAS AS | 1 | 4.1 thousand | 9 May 2010 |
| Optoplan as | 1 | 4.1 thousand | 30 Jul 2008 |
| person-AIz AS | 1 | 4.1 thousand | 5 Aug 2023 |
| Prediktor AS | 1 | 4.1 thousand | 6 Dec 2009 |
| Q-Light AS | 1 | 4.1 thousand | 21 Mar 2024 |
| Roxar A/S | 1 | 4.1 thousand | 30 Jul 2008 |
| Sandar Telecast AS | 1 | 4.1 thousand | 30 Jul 2008 |
| Selmatec AS | 1 | 4.1 thousand | 21 May 2020 |
| Sensor Developments | 1 | 4.1 thousand | 22 Feb 2015 |
| SIEMENS AS | 1 | 4.1 thousand | 15 Nov 2015 |
| Sikom AS | 1 | 4.1 thousand | 16 Feb 2019 |
| SmartMotor AS | 1 | 4.1 thousand | 30 Jul 2008 |
| Texi AS | 1 | 4.1 thousand | 16 Oct 2022 |
| TRAFSYS AS | 1 | 4.1 thousand | 30 Jul 2008 |
| Vendanor AS | 1 | 4.1 thousand | 2 Apr 2021 |
| Vestfold Butikkdata AS | 1 | 4.1 thousand | 30 Jul 2008 |
| WideNorth AS | 1 | 4.1 thousand | 24 Sep 2019 |
| Wireless Reading Systems Holding ASA | 1 | 4.1 thousand | 30 Jul 2008 |
Every organization with blocks registered in Norway, sorted by total address space.