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| AS44644 | ARVAKUR-NET Arvakur hf |
| AS57508 | AS-ALZA-IS Alza ehf |
| AS205436 | aswintermute Wintermute Technologies EHF |
| AS214185 | Austurljos Rafey ehf |
| AS43892 | BASIS-AS Sensa ehf |
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| AS31410 | CORE-GLOBAL-AS Nova hf |
| AS209933 | DANDRI David Andri Jakobsson |
| AS25244 | DECODE-AS deCode genetics Ltd. |
| AS203322 | EIMSKIP-AS Eimskip Island ehf |
| AS56704 | FARICE-AS Farice ehf |
| AS214215 | FARICE-RISP-AS Farice ehf |
| AS200651 | FlokiNET FlokiNET ehf |
| AS29348 | FSNET-AS Icelandic Ministry of Education and Children |
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| AS31441 | GR-AS Ljosleidarinn ehf |
| AS212926 | HARPA-AS Harpa Concert Hall and Conference Centre ohf |
| AS51896 | HRINGDU-AS Hringdu ehf |
| AS202030 | ICELANDAIR-AS Icelandair ehf |
| AS6677 | ICENET-AS1 Mila hf |
| AS210747 | IHOTELS BERJAYA HOTELS ICELAND hf |
| AS44515 | IS-ADVANIA Advania Island ehf |
| AS30818 | IS-ADVANIA-TRANSIT Advania Island ehf |
| AS203715 | isa Isavia ohf |
| AS204926 | IS-GUNNAR Gunnar Gudvardarson |
| AS48568 | IS-HINET Haskoli Islands |
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| AS209214 | IS-Netheimur Netheimur ehf. |
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| AS213364 | IS-STEINN-6 STEINN ORVAR BJARNARSON |
| AS211734 | IS-VEGAGERDIN Vegagerdin |
| AS200868 | KAPALVAEDING Kapalvaeding ehf. |
| AS208548 | kjarnet-0 Kjartan Hrafnkelsson |
| AS57729 | Kopavogur-AS Kopavogsbaer |
| AS57759 | KORTA-AS Rapyd Europe hf. |
| AS51829 | KUKL-AS Nova hf |
| AS39532 | Landsbanki-AS Landsbankinn hf |
| AS211815 | landsvirkjun-as Landsvirkjun |
| AS51019 | LJOSNET-VPC Kjartan Hrafnkelsson |
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| AS51296 | median-is Handpoint ehf |
| AS203566 | MILAHF-AS2 Mila hf |
| AS202247 | NETBERG Netpandan ehf |
| AS206440 | Netpandan Netpandan ehf |
| AS212771 | NETVOKTUN Netvoktun ehf |
| AS214144 | NEYDARLINAN-AS Neydarlinan ohf. |
| AS43571 | NOVAIS-AS Nova hf |
| AS48685 | OK-AS Opin Kerfi hf |
| AS216017 | OKH-2 Opin Kerfi hf |
| AS60690 | OPEX-ASN Opin Kerfi hf |
| AS44275 | OpinKerfi2024 Opin Kerfi hf |
| AS29689 | ORIGO-AS Origo ehf |
| AS211757 | PANASCAIS Panascais ehf. |
| AS204588 | protegion Rapyd Europe hf. |
| AS199844 | RARIK RARIK ohf. |
| AS203176 | RB Reiknistofa bankanna hf. |
| AS206010 | RFS Umbra Service Center Management |
| AS15474 | RHNET Rannsokna- og haskolanet Islands hf. |
| AS201885 | RU-AS Haskolinn i Reykjavik ehf. |
| AS198815 | RUV-AS Rikisutvarpid Ohf |
| AS211589 | RUV-CDN Rikisutvarpid Ohf |
| AS31236 | RVK-AS Reykjavik City Hall |
| AS215608 | samgongustofa Samgongustofa |
| AS206743 | SecuritasIceland Securitas hf. |
| AS203590 | sensa-as Sensa ehf |
| AS201849 | SENSA-AS Sensa ehf |
| AS60259 | SIMAFELAGID-ASN Nova hf |
| AS215793 | siminn Siminn hf. (Iceland Telecom) |
| AS44735 | SIP-ASN Nova hf |
| AS197973 | SKRA-NET Registers Iceland |
| AS24743 | SNERPA-NET Snerpa ehf |
| AS215823 | SPAUGUR-IPV6 Spaugur ehf. |
| AS206842 | Tactica Tactica ehf |
| AS44925 | THE-1984-AS 1984 ehf |
| AS50613 | ThorDC-AS Advania Island ehf |
| AS34678 | TOLVUN-AS Eignafelag Tolvunar ehf |
| AS210080 | tolvuthjonustan Tolvuthjonustan ehf. |
| AS59396 | TRS Tolvu- og Rafeindapjonusta Sudurlands ehf |
| AS202868 | tsc Nova hf |
| AS216293 | ts TechSupport ehf |
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| AS62199 | VERNEGLOBAL-IS Verne Global hf. |
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| AS12969 | Vodafone_Iceland Ljosleidarinn ehf |
| AS60300 | Vodafone_Iceland Syn hf |
| AS25509 | VORTEX-AS Hringidan ehf / Vortex Inc |
| AS47545 | VST-Raf-AS Verkis hf |
| AS214718 | WISE Thekking - Tristan hf |