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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 |
| — |
| — |
| 0 |
| AS60422DK | PH-AS DLX A/S | — | — | 0 |
| AS200611DK | ITSLEARNING-DK itslearning A/S | — | — | 0 |
| AS211153DK | HAFNIUM-AS Emil Petersen | — | 18 | 3 |
| AS47173DK | HOUSE4IT House4iT A/S | — | — | 0 |
| AS203327DK | dk-infare Infare Solutions A/S | — | — | 0 |
| AS60166DK | BGBILOTIL-AS eTarg Media ApS | — | — | 0 |
| AS198275DK | FLUMMER-AS Thomas Flummer | — | 1 | 1 |
| AS43557DK | ASEMNET Sinal A/S | — | — | 0 |
| AS197938DK | DK-TLD-ANY-1 Punktum dk A/S | — | — | 0 |
| AS210010DK | Rinkobing-Skjern-AS Ringkoebing-Skjern Kommune | — | — | 0 |
| AS35033DK | FUJITSU-AS Fujitsu Services A/S | — | — | 0 |
| AS28717DK | GlobalConnect-AS28717 GlobalConnect A/S | — | — | 0 |
| AS212050DK | din-server Morten Soerensen trading as Din-Server | — | — | 0 |
| AS198660DK | ARENDTSEN Martin Arendtsen | — | 1 | 1 |
| AS57189DK | DK-ETARG-AS eTarg Media ApS | — | — | 0 |
| AS202119DK | MALTHETANKRED Malthe Kragh Tankred | — | 6 | 6 |
| AS214866DK | Greenhost-AS GreenHost ApS | — | — | 0 |
| AS198141DK | DANMAGI-AS DANMAGI ApS | — | — | 0 |
| AS203250DK | Hjoerring_Kommune Hjoerring Kommune | — | — | 0 |
| AS208391DK | NETRAVNEN Christoffer Hansen | — | 1 | 1 |
| AS216298DK | FINALTO-DK-AS Finalto A/S | — | — | 0 |
| AS59469DK | SOLIDO-NETWORKS Sentia Denmark A/S | — | — | 0 |
| AS198903DK | RSK-AS Roskilde Kulturservice A/S | — | 1 | 1 |
| AS214348DK | DYNADO Dynado ApS | — | — | 0 |
| AS12435DK | TELIAMOBILE-DK Norlys Digital A/S | — | — | 0 |
| AS16095DK | JAYNET Sentia Denmark A/S | — | — | 0 |
| AS35817DK | HERNINGSHOLM-AS Herningsholm Erhvervsskole & Gymnasier S/I | — | — | 0 |
| AS199769DK | DANID-AS Nets DanID A/S | — | — | 0 |
| AS57735DK | HEF-Fibernet-AS Norlys Digital A/S | — | — | 0 |
| AS49309DK | AS49309 Aeven A/S | — | — | 0 |
| AS57819DK | ASSISTEMA eTarg Media ApS | — | — | 0 |
| AS197288DK | NORLYS-DIGITAL Norlys Digital A/S | — | — | 0 |
| AS204920DK | DK-MVOW Vestas Wind Systems A/S | — | — | 0 |
| AS206139DK | Tvl_Holding_2025_ApS TVL Holding 2025 ApS | — | — | 0 |
| AS45024DK | PARTNERIT-AS Bo data ApS | — | — | 0 |
| AS210971DK | FR0ZEN-AS Dennis Beck | — | — | 0 |
| AS212543DK | fsknet-gl Danmarks Tekniske Universitet | — | — | 0 |
| AS214983DK | MikkelBuhlMadsen Mikkel Buhl Madsen | — | 1 | 1 |
| AS198391DK | DANISH-IX Danmarks Tekniske Universitet | — | — | 0 |
| AS24969DK | DIR-AS Itm8 A/S | — | — | 0 |
| AS28826DK | IHI-DK Bupa Denmark Services A S | — | — | 0 |
| AS208647DK | BORNHACK BornHack ApS | — | — | 0 |
| AS48564DK | DSTNY-DENMARK Dstny A/S | — | — | 0 |
| AS205000DK | Aalborg Aalborg kommune | — | — | 0 |
| AS197316DK | CopenhagenCloud Copenhagen Cloud ApS | — | — | 0 |
| AS197861DK | FMR-ASN Frej Mau Rye | — | 4 | 4 |