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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.
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 |
| AS35817DK | HERNINGSHOLM-AS Herningsholm Erhvervsskole & Gymnasier S/I | — | — | 0 |
| AS210971DK | FR0ZEN-AS Dennis Beck | — | — | 0 |
| AS214866DK | Greenhost-AS GreenHost ApS | — | — | 0 |
| AS47715DK | ASPECTNET Valeo ApS | — | — | 0 |
| AS39672DK | DSV DSV A/S | — | — | 0 |
| AS43869DK | DK-UM Udenrigsministeriet | — | — | 0 |
| AS199213DK | HostersAS Sentia Denmark A/S | — | — | 0 |
| AS15459DK | AS15459Thomaskrusedk KIKKENBORG FIBER & IT ApS | — | — | 0 |
| AS42888DK | Mannvit-AS COWI A/S | — | — | 0 |
| AS205662DK | APALLAS-NET Itm8 A/S | — | — | 0 |
| AS39880DK | AS-Thomaskruse_dk Thomas Kruse | — | 1 | 1 |
| AS199769DK | DANID-AS Nets DanID A/S | — | — | 0 |
| AS15423DK | Maersk A.P. MOLLER - MAERSK A/S | — | — | 0 |
| AS206513DK | ifiber iFiber A/S | — | — | 0 |
| AS197493DK | STRATU Stratu A/S | — | — | 0 |
| AS208287DK | MultiMedHostingServices DataGruppen MultiMed A/S | — | — | 0 |
| AS204920DK | DK-MVOW Vestas Wind Systems A/S | — | — | 0 |
| AS197288DK | NORLYS-DIGITAL Norlys Digital A/S | — | — | 0 |
| AS20984DK | PANALPINA-AS DSV A/S | — | — | 0 |
| AS44433DK | ASN-ATEA-DK Atea A/S | — | — | 0 |
| AS202031DK | EuShells Sjacob Holding ApS | — | — | 0 |
| AS50021DK | PHD-ApS Sentia Denmark A/S | — | — | 0 |
| AS206139DK | Tvl_Holding_2025_ApS TVL Holding 2025 ApS | — | — | 0 |
| AS57735DK | HEF-Fibernet-AS Norlys Digital A/S | — | — | 0 |
| AS43557DK | ASEMNET Sinal A/S | — | — | 0 |
| AS39554DK | Fullrate TDC Brands A/S | — | — | 0 |
| AS60166DK | BGBILOTIL-AS eTarg Media ApS | — | — | 0 |
| AS16095DK | JAYNET Sentia Denmark A/S | — | — | 0 |
| AS202816DK | team-blue-Nordics team.blue Denmark A/S | — | — | 0 |
| AS47173DK | HOUSE4IT House4iT A/S | — | — | 0 |
| AS200611DK | ITSLEARNING-DK itslearning A/S | — | — | 0 |
| AS8322DK | TDC TDC Holding A/S | — | — | 0 |
| AS199135DK | SATCOM1 Satcom1 Airtime Services ApS | — | — | 0 |
| AS204420DK | DEMANT-AS Oticon A/S | — | — | 0 |
| AS203327DK | dk-infare Infare Solutions A/S | — | — | 0 |
| AS6811DK | Verizon Denmark A/S | — | — | 0 |
| AS5624DK | AS5624 DXC Technology Danmark A/S | — | — | 0 |
| AS21465DK | EUROPAEISKE-AS ERGO Forsikring A/S | — | — | 0 |
| AS42418DK | team-blue-Denmark team.blue Denmark A/S | — | — | 0 |
| AS197123DK | team-blue-Denmark team.blue Denmark A/S | — | — | 0 |
| AS60247DK | LABIX-AS Labitat | — | — | 0 |
| AS214348DK | DYNADO Dynado ApS | — | — | 0 |
| AS43790DK | FL-L2-AS Frode Laursen A/S | — | — | 0 |
| AS15411DK | Danisco International N&H Denmark ApS | — | — | 0 |
| AS211628DK | ECCO-USSA ECCO Sko A/S | — | — | 0 |
| AS12435DK | TELIAMOBILE-DK Norlys Digital A/S | — | — | 0 |