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How Denmark ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
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.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS3292DK | TDC TDC Holding A/S | 5.2M | 180 |
| AS9158DK | TELENOR_DANMARK_AS Telenor A/S | 2.5M | 30 |
| AS39642DK | Sinal-AS Sinal A/S | 560.1K | 50 |
| AS31027DK | GlobalConnect-AS31027 GlobalConnect A/S | 384.3K | 147 |
| AS15516DK | DK-DANSKKABELTV DKTV A/S | 341K | 13 |
| AS44869DK | FIBIA-P-S FIBIA P/S | 333.8K | 13 |
| AS3308DK | TELIANET-DENMARK Norlys Telco 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 | 113.2K | 115 |
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.
469 autonomous systems registered to Denmark. Click an AS for detail.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS49309DK | AS49309 Aeven A/S | — | — | 0 |
| AS210010DK | Rinkobing-Skjern-AS Ringkoebing-Skjern Kommune | — | — | 0 |
| AS2109DK | TDC TDC Holding A/S | — | — | 0 |
| AS60422DK | PH-AS DLX A/S | — | — | 0 |
| AS21456DK | KVADRAT-DK Kvadrat AS | — | — | 0 |
| AS203250DK | Hjoerring_Kommune Hjoerring Kommune | — | — | 0 |
| AS206079DK | SBSHOSTING MH HOLDING AF 1. JUNI 2009 ApS | — | — | 0 |
| AS216298DK | FINALTO-DK-AS Finalto A/S | — | — | 0 |
| AS204920DK | DK-MVOW Vestas Wind Systems A/S | — | — | 0 |
| AS206139DK | Tvl_Holding_2025_ApS Nordfelt Holding ApS | — | — | 0 |
| AS206901DK | DKDNB-AS Danmarks Nationalbank | — | — | 0 |
| AS212543DK | fsknet-gl Danmarks Tekniske Universitet | — | — | 0 |
| AS15423DK | Maersk A.P. MOLLER - MAERSK A/S | — | — | 0 |
| AS198660DK | ARENDTSEN Martin Arendtsen | — | 1 | 1 |
| AS28717DK | GlobalConnect-AS28717 GlobalConnect A/S | — | — | 0 |
| AS35817DK | HERNINGSHOLM-AS Herningsholm Erhvervsskole & Gymnasier S/I | — | — | 0 |
| AS57735DK | HEF-Fibernet-AS Norlys Telco A/S | — | — | 0 |
| AS57819DK | ASSISTEMA eTarg Media ApS | — | — | 0 |
| AS199988DK | DANSKELOENSYSTEMER-AS Paychex Europe Denmark ApS | — | — | 0 |
| AS218707DK | GAMRATH Christoffer Gamrath | — | 2 | 2 |
| AS61298DK | NOAHKS-NET Noah Kornelius Svanholm | — | 2 | 2 |
| AS202119DK | MALTHETANKRED Malthe Kragh Tankred | — | 29 | 14 |
| AS211153DK | HAFNIUM-AS Emil Petersen | — | 18 | 3 |
| AS48564DK | DSTNY-DENMARK Dstny A/S | — | — | 0 |
| AS201720DK | FKDK IT-Forsyningen I/S | — | — | 0 |
| AS219039DK | VPN-RISKONAUT-ORG Riskonaut Group ApS | — | 1 | 1 |
| AS154695DK | NOVONORDISKAS-AS-AP - NOVO NORDISK A/S | — | — | 0 |
| AS198275DK | FLUMMER-AS Thomas Flummer | — | 1 | 1 |
| AS213032DK | FLEGGAARD Fleggaard Holding A/S | — | 3 | 3 |
| AS197861DK | FMR-ASN Frej Mau Rye | — | 4 | 4 |
| AS214983DK | MikkelBuhlMadsen Mikkel Buhl Madsen | — | 1 | 1 |
| AS12617DK | SOLIDO-NET Sentia Denmark A/S | — | — | 0 |
| AS12435DK | TELIAMOBILE-DK Norlys Telco A/S | — | — | 0 |
| AS47173DK | HOUSE4IT House4iT A/S | — | — | 0 |
| AS202031DK | EuShells Sjacob Holding ApS | — | — | 0 |
| AS60876DK | CAPEXCONNECT-DK Capexconnect ApS | — | — | 0 |
| AS203570DK | GIGAHOST Gigahost ApS | — | — | 0 |
| AS39880DK | AS-Thomaskruse_dk Thomas Kruse | — | 1 | 1 |
| AS205000DK | Aalborg Aalborg kommune | — | — | 0 |
| AS198903DK | RSK-AS Roskilde Kulturservice A/S | — | 1 | 1 |
| AS212050DK | din-server Morten Soerensen trading as Din-Server | — | — | 0 |
| AS61253DK | FHO-NETWORK Fagbevaegelsens Hovedorganisation | — | — | 0 |
| AS214348DK | DYNADO Dynado ApS | — | — | 0 |
| AS199769DK | DANID-AS IN Groupe Denmark A/S | — | — | 0 |
| AS208292DK | SKIVE-KOM Skive Kommune | — | — | 0 |
| AS34705DK | SYDFYN Norlys Telco A/S | — | — | 0 |
| AS214866DK | Greenhost-AS GreenHost ApS | — | — | 0 |
| AS206554DK | CNXA Connexa A/S | — | — | 0 |
| AS198391DK | DANISH-IX Danmarks Tekniske Universitet | — | — | 0 |
| AS208647DK | BORNHACK BornHack ApS | — | — | 0 |