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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.
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.
474 autonomous systems registered to Denmark. Click an AS for detail.
| 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 | 112.9K | 114 |
| — |
| 0 |
| AS205742DK | KBHVN-KOMMUNE Koebenhavns Kommune | — | — | 0 |
| AS39672DK | DSV DSV A/S | — | — | 0 |
| AS47715DK | ASPECTNET Valeo ApS | — | — | 0 |
| AS216284DK | MNEERUP Mathias Neerup | — | — | 0 |
| AS51251DK | ASN-ATEA-DK Atea A/S | — | — | 0 |
| AS29542DK | DANSKETELECOM-AS GlobalConnect A/S | — | — | 0 |
| AS215465DK | ANDEL-A-S Andel Holding A/S | — | — | 0 |
| AS42659DK | AS_WELLTEC WELLTEC A/S | — | — | 0 |
| AS34932DK | GlobalConnect-Testlab-DKDE GlobalConnect A/S | — | — | 0 |
| AS16095DK | JAYNET Sentia Denmark A/S | — | — | 0 |
| AS214348DK | DYNADO Dynado ApS | — | — | 0 |
| AS199773DK | NETS-AS Nets Denmark A/S | — | — | 0 |
| AS59469DK | SOLIDO-NETWORKS Sentia Denmark A/S | — | — | 0 |
| AS212050DK | din-server Morten Soerensen trading as Din-Server | — | — | 0 |
| AS154695DK | NOVONORDISKAS-AS-AP - NOVO NORDISK A/S | — | — | 0 |
| AS61298DK | NOAHKS-NET Noah Kornelius Svanholm | — | 2 | 2 |
| AS197288DK | NORLYS-DIGITAL Norlys Telco A/S | — | — | 0 |
| AS45024DK | PARTNERIT-AS Bo data ApS | — | — | 0 |
| AS206606DK | unitmakers Unitmakers ApS | — | — | 0 |
| AS204420DK | DEMANT-AS Oticon A/S | — | — | 0 |
| AS3272DK | Fujitsu Services A/S | — | — | 0 |
| AS200611DK | ITSLEARNING-DK itslearning A/S | — | — | 0 |
| AS219271DK | BERIFFANET Mathias Jellesmark Fiskbaek trading as Beriffa Group | — | 4.1K | 4 |
| AS49630DK | TN-HOSTING TN HOSTING ApS | — | — | 0 |
| AS50457DK | ITRELATION-AS Itm8 A/S | — | — | 0 |
| AS208918DK | Unit-IT-Services-aps Unit IT A/S | — | — | 0 |
| AS50021DK | PHD-ApS Sentia Denmark A/S | — | — | 0 |
| AS12435DK | TELIAMOBILE-DK Norlys Telco A/S | — | — | 0 |
| AS206139DK | Tvl_Holding_2025_ApS Nordfelt Holding ApS | — | — | 0 |
| AS206901DK | DKDNB-AS Danmarks Nationalbank | — | — | 0 |
| AS210971DK | FR0ZEN-AS Dennis Beck | — | — | 0 |
| AS212543DK | fsknet-gl Danmarks Tekniske Universitet | — | — | 0 |
| AS49309DK | AS49309 Aeven A/S | — | — | 0 |
| AS61253DK | FHO-NETWORK Fagbevaegelsens Hovedorganisation | — | — | 0 |
| AS57819DK | ASSISTEMA eTarg Media ApS | — | — | 0 |
| AS199769DK | DANID-AS Nets DanID A/S | — | — | 0 |
| AS35817DK | HERNINGSHOLM-AS Herningsholm Erhvervsskole & Gymnasier S/I | — | — | 0 |
| AS20984DK | PANALPINA-AS DSV A/S | — | — | 0 |
| AS199175DK | VICTORP-NET Victor Pahuus Petersen | — | 2 | 2 |
| AS198660DK | ARENDTSEN Martin Arendtsen | — | 1 | 1 |
| AS218707DK | GAMRATH Christoffer Gamrath | — | 1 | 1 |
| AS212354DK | ASPNET Albert Soendergaard Pedersen | — | 1 | 1 |
| AS9171DK | NOVASOL Awaze A/S | — | — | 0 |
| AS6811DK | Verizon Denmark A/S | — | — | 0 |
| AS199135DK | SATCOM1 Satcom1 Airtime Services ApS | — | — | 0 |
| AS213320DK | NORLYS-DIGITAL Norlys Telco A/S | — | 524.3K | 1 |