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How Denmark ranks worldwide on dormant space, the transfer market, routing security and address density.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Denmark over time.
The largest autonomous systems registered to Denmark by IPv4 footprint.
Denmark against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
475 autonomous systems registered to Denmark. Click an AS for detail.
| AS44869DK |
| FIBIA-P-S FIBIA P/S |
| 333.8K |
| 13 |
| AS3308DK | TELIANET-DENMARK Norlys Digital A/S | 315.1K | 31 |
| AS203953DK | Hiper Hiper A/S | 214K | 14 |
| AS49362DK | DSV DSV A/S | 167.9K | 26 |
| AS47292DK | SENTIA Sentia Denmark A/S | 112.9K | 114 |
| 384K |
| 2M |
| 138 |
| AS15516DK | DK-DANSKKABELTV DKTV A/S | 341K | 1.1M | 13 |
| AS44869DK | FIBIA-P-S FIBIA P/S | 333.8K | 65.5K | 13 |
| AS3308DK | TELIANET-DENMARK Norlys Digital A/S | 315.1K | 917.8K | 31 |
| AS203953DK | Hiper Hiper A/S | 214K | 524.3K | 14 |
| AS49362DK | DSV DSV A/S | 167.9K | 524.3K | 26 |
| AS47292DK | SENTIA Sentia Denmark A/S | 112.9K | 852K | 114 |
| AS6834DK | AS6834 KMD A/S | 90.6K | 65.5K | 5 |
| AS41076DK | POSTDK-AS Post Danmark A/S | 82.2K | — | 3 |
| AS15687DK | AS15687 Aeven A/S | 69.6K | — | 2 |
| AS42525DK | GlobalConnect-AS42525 GlobalConnect A/S | 67.1K | 196.6K | 16 |
| AS204274DK | AURA-A-S AURA Fiber A/S | 66.6K | 65.5K | 6 |
| AS29156DK | AS29156 DXC Technology Danmark A/S | 66K | 65.5K | 9 |
| AS48854DK | team-blue-denmark team.blue Denmark A/S | 50.4K | 86K | 50 |
| AS35158DK | DANSKNET DanskNet A/S | 36.9K | — | 5 |
| AS33796DK | BNAA-AS BOLIGNET-AARHUS F.M.B.A. | 35.3K | — | 4 |
| AS34705DK | SYDFYN Norlys Digital A/S | 32.8K | — | 1 |
| AS25384DK | DMDATA-AS Kyndryl Danmark ApS | 31.7K | 1 | 18 |
| AS51468DK | ONECOM One.com A/S | 28.4K | 131.1K | 20 |
| AS58282DK | STATENSIT Statens IT | 27.6K | 65.5K | 24 |
| AS3240DK | Sektornet Styrelsen for it og laering | 24.8K | 2 | 7 |
| AS3342DK | Cibicom-IP-Network Cibicom A/S | 23.8K | 524.3K | 18 |
| AS206920DK | dk-glentevejsantennelaug Glentevejs Antennelaug | 21.5K | 65.5K | 5 |
| AS8273DK | DK-STOFANET-AS Norlys Digital A/S | 21.5K | — | 4 |
| AS44398DK | ITM8-AS Itm8 A/S | 20.5K | 65.5K | 24 |
| AS21060DK | ASN-ATEA-DK Atea A/S | 20.5K | 65.8K | 21 |
| AS12483DK | DanskeBank-AS Den Danske Bank A/S | 19.2K | — | 15 |
| AS214875DK | altiboxas Altibox Danmark AS | 17.4K | 65.5K | 19 |
| AS35637DK | SmileContent-AS WAOO A/S | 16.9K | — | 5 |
| AS29100DK | BROADCOMDK Sagitta ApS | 16.4K | — | 2 |
| AS30736DK | ASERGO-AS Asergo Holding ApS | 16.4K | 65.5K | 2 |
| AS204607DK | JNDATA-AS JN DATA A/S | 16.4K | — | 37 |
| AS44803DK | WEBDOCK-AS Webdock.io ApS | 15.9K | 65.5K | 30 |
| AS202914DK | adeodc Adeo Datacenter ApS | 15.6K | 524.3K | 34 |
| AS62319DK | ITM8-AS Itm8 A/S | 15.6K | 524.3K | 31 |
| AS47527DK | DLX-AS DLX A/S | 13.6K | 2.2M | 22 |
| AS34482DK | Nuuday TDC Holding A/S | 12.3K | — | 2 |
| AS204151DK | KVIKNET-DK EWII Bredbaand A/S | 11.5K | 1.1M | 10 |
| AS24800DK | BORNFIBER BornFiber Service Provider ApS | 11.3K | 131.1K | 13 |
| AS42541DK | FIBERBY Fiberby ApS | 11K | 524.3K | 6 |
| AS9120DK | KEEPIT-DK-CPH Keepit A/S | 10.5K | 524.3K | 7 |
| AS42876DK | Unit-IT-Services-aps Unit IT Services ApS | 10.5K | — | 6 |
| AS42697DK | NETIC-AS Netic A/S | 10.2K | 786.4K | 11 |
| AS2603DK | NORDUNET NORDUnet | 9.7K | 589.8K | 12 |
| AS41707DK | ASN-HSDG-DE A.P. MOLLER - MAERSK A/S | 9.7K | — | 5 |
| AS207355DK | Ka-net Ka-net | 9.7K | 524.3K | 4 |
| AS204141DK | K-NET K-Net Forening | 9.2K | 65.5K | 3 |