Registered ASNs
86
Announcing routes
71
15 without routes
IPv4 addresses announced
868,864
868,864 in total
Autonomous systems in Iceland
Ranks 1–86 of 86. Ordered by announced IPv4 address space, then IPv6 prefixes; AS numbers that announce no routes follow in numerical order. IPv4 addresses are those of the AS's own prefixes, overlaps counted once.
| # | AS | Name | IPv4 prefixes | IPv4 addresses | IPv6 prefixes |
|---|---|---|---|---|---|
| 1 | AS12969 | Vodafone_Iceland Ljosleidarinn ehf | 32 | 307,712 | 2 |
| 2 | AS6677 | ICENET-AS1 Mila hf | 13 | 140,032 | 1 |
| 3 | AS15474 | RHNET Rannsokna- og haskolanet Islands hf. | 2 | 131,072 | 1 |
| 4 | AS44515 | IS-ADVANIA Advania Island ehf | 17 | 41,728 | 2 |
| 5 | AS44735 | SIP-ASN Nova hf | 18 | 38,144 | 3 |
| 6 | AS51896 | HRINGDU-AS Hringdu ehf | 9 | 20,736 | 1 |
| 7 | AS50613 | ThorDC-AS Advania Island ehf | 17 | 18,176 | 2 |
| 8 | AS31441 | GR-AS Ljosleidarinn ehf | 1 | 16,384 | 0 |
| 9 | AS48685 | OK-AS Opin Kerfi hf | 8 | 11,776 | 2 |
| 10 | AS29689 | ORIGO-AS Origo ehf | 4 | 9,472 | 0 |
| 11 | AS31236 | RVK-AS Reykjavik City Hall | 3 | 9,216 | 0 |
| 12 | AS60690 | OPEX-ASN Opin Kerfi hf | 7 | 9,216 | 0 |
| 13 | AS200651 | FlokiNET FlokiNET ehf | 34 | 8,704 | 6 |
| 14 | AS25509 | VORTEX-AS Hringidan ehf / Vortex Inc | 1 | 8,192 | 1 |
| 15 | AS25244 | DECODE-AS deCode genetics Ltd. | 1 | 8,192 | 0 |
| 16 | AS29348 | FSNET-AS Icelandic Ministry of Education and Children | 1 | 8,192 | 0 |
| 17 | AS34678 | TOLVUN-AS Eignafelag Tolvunar ehf | 1 | 8,192 | 0 |
| 18 | AS39532 | Landsbanki-AS Landsbankinn hf | 1 | 8,192 | 0 |
| 19 | AS44925 | THE-1984-AS 1984 ehf | 6 | 7,680 | 1 |
| 20 | AS43892 | BASIS-AS Sensa ehf | 5 | 5,120 | 2 |
| 21 | AS24743 | SNERPA-NET Snerpa ehf | 2 | 4,096 | 0 |
| 22 | AS56704 | FARICE-AS Farice ehf | 3 | 3,328 | 1 |
| 23 | AS59396 | TRS Tolvu- og Rafeindapjonusta Sudurlands ehf | 3 | 3,072 | 0 |
| 24 | AS211757 | PANASCAIS Panascais ehf. | 10 | 2,560 | 10 |
| 25 | AS44644 | ARVAKUR-NET Arvakur hf | 1 | 2,048 | 1 |
| 26 | AS197403 | ISLANDSBANKI-AS1 Islandsbanki hf | 2 | 2,048 | 1 |
| 27 | AS197973 | SKRA-NET Registers Iceland | 1 | 2,048 | 1 |
| 28 | AS39472 | Arion-banki-AS Arion Banki hf | 3 | 2,048 | 0 |
| 29 | AS205436 | aswintermute Wintermute Technologies EHF | 11 | 2,048 | 0 |
| 30 | AS35834 | CCP Fenris Creations ehf. | 9 | 1,792 | 0 |
| 31 | AS1850 | ISNIC Internet a Islandi hf | 2 | 1,536 | 1 |
| 32 | AS200868 | KAPALVAEDING Kapalvaeding ehf. | 2 | 1,536 | 0 |
| 33 | AS30818 | IS-ADVANIA-TRANSIT Advania Island ehf | 5 | 1,280 | 0 |
| 34 | AS62199 | VERNEGLOBAL-IS Verne Global hf. | 1 | 1,024 | 1 |
| 35 | AS203322 | EIMSKIP-AS Eimskip Island ehf | 3 | 1,024 | 1 |
| 36 | AS198815 | RUV-AS Rikisutvarpid Ohf | 1 | 1,024 | 0 |
| 37 | AS199844 | RARIK RARIK ohf. | 1 | 1,024 | 0 |
| 38 | AS200432 | Borgun Teya Iceland hf | 4 | 1,024 | 0 |
| 39 | AS202030 | ICELANDAIR-AS Icelandair ehf | 4 | 1,024 | 0 |
| 40 | AS203176 | RB Reiknistofa bankanna hf. | 2 | 1,024 | 0 |
| 41 | AS203715 | isa Isavia ohf | 2 | 1,024 | 0 |
| 42 | AS204588 | protegion Rapyd Europe hf. | 4 | 1,024 | 0 |
| 43 | AS206010 | RFS Umbra Service Center Management | 2 | 1,024 | 0 |
| 44 | AS206669 | Gagnaveitan Gagnaveitan ehf. | 4 | 1,024 | 0 |
| 45 | AS206743 | SecuritasIceland Securitas hf. | 3 | 1,024 | 0 |
| 46 | AS206842 | Tactica Tactica ehf | 1 | 1,024 | 0 |
| 47 | AS209214 | IS-Netheimur Netheimur ehf. | 1 | 1,024 | 0 |
| 48 | AS210080 | tolvuthjonustan Tolvuthjonustan ehf. | 1 | 1,024 | 0 |
| 49 | AS211734 | IS-VEGAGERDIN Vegagerdin | 3 | 1,024 | 0 |
| 50 | AS44275 | OpinKerfi2024 Opin Kerfi hf | 2 | 768 | 1 |
| 51 | AS51019 | ARCTIC-TERN-ICELAND Kria Elinarbur | 2 | 512 | 2 |
| 52 | AS215823 | SPAUGURDATA Spaugur ehf. | 2 | 512 | 2 |
| 53 | AS214185 | Austurljos Rafey ehf | 2 | 512 | 1 |
| 54 | AS216293 | ts TechSupport ehf | 2 | 512 | 1 |
| 55 | AS219430 | PHOTON-AS Photon ehf | 1 | 512 | 1 |
| 56 | AS47545 | VST-Raf-AS Verkis hf | 1 | 256 | 1 |
| 57 | AS212926 | HARPA-AS Harpa Concert Hall and Conference Centre ohf | 1 | 256 | 1 |
| 58 | AS215608 | samgongustofa Samgongustofa | 1 | 256 | 1 |
| 59 | AS47828 | Valitor-AS Rapyd Europe hf. | 1 | 256 | 0 |
| 60 | AS51296 | median-is Handpoint ehf | 1 | 256 | 0 |
| 61 | AS57729 | Kopavogur-AS Kopavogsbaer | 1 | 256 | 0 |
| 62 | AS202247 | NETBERG NetBerg ehf | 1 | 256 | 0 |
| 63 | AS210747 | IHOTELS BERJAYA HOTELS ICELAND hf | 1 | 256 | 0 |
| 64 | AS211589 | RUV-CDN Rikisutvarpid Ohf | 1 | 256 | 0 |
| 65 | AS211815 | landsvirkjun-as Landsvirkjun | 1 | 256 | 0 |
| 66 | AS212771 | NETVOKTUN Netvoktun ehf | 1 | 256 | 0 |
| 67 | AS214144 | NEYDARLINAN-AS Neydarlinan ohf. | 1 | 256 | 0 |
| 68 | AS214215 | FARICE-RISP-AS Farice ehf | 1 | 256 | 0 |
| 69 | AS216017 | OKH-2 Opin Kerfi hf | 1 | 256 | 0 |
| 70 | AS201849 | SENSA-AS Sensa ehf | 0 | 0 | 1 |
| 71 | AS208548 | ARCTIC-TERN-GLOBAL Kria Elinarbur | 0 | 0 | 1 |
| 72 | AS21268 | Ljosleidarinn Ljosleidarinn ehf | — | — | — |
| 73 | AS39418 | UMSJA Origo ehf | — | — | — |
| 74 | AS43571 | NOVAIS-AS Nova hf | — | — | — |
| 75 | AS48568 | IS-HINET Haskoli Islands | — | — | — |
| 76 | AS57508 | AS-ALZA-IS Alza ehf | — | — | — |
| 77 | AS57759 | KORTA-AS Rapyd Europe hf. | — | — | — |
| 78 | AS60259 | SIMAFELAGID-ASN Nova hf | — | — | — |
| 79 | AS60300 | Vodafone_Iceland Syn hf | — | — | — |
| 80 | AS201885 | RU-AS Haskolinn i Reykjavik ehf. | — | — | — |
| 81 | AS203566 | MILAHF-AS2 Mila hf | — | — | — |
| 82 | AS203590 | sensa-as Sensa ehf | — | — | — |
| 83 | AS206440 | Netpandan NetBerg ehf | — | — | — |
| 84 | AS209356 | Landspitali Landspitali - University Hospital (LUH) | — | — | — |
| 85 | AS214718 | WISE Wise lausnir ehf. | — | — | — |
| 86 | AS215793 | siminn Siminn hf. (Iceland Telecom) | — | — | — |
AS names and routing data: RIPE NCC (asn.txt, RIS). A prefix counts when at least 10 RIS peers see it. Data as of Oct 21, 2026. Countries are those of the AS registrations.