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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.
469 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 | 113.2K | 115 |
| — |
| — |
| 0 |
| AS44433DK | ASN-ATEA-DK Atea A/S | — | — | 0 |
| AS202816DK | team-blue-Nordics team.blue Denmark A/S | — | — | 0 |
| AS5624DK | AS5624 DXC Technology Danmark A/S | — | — | 0 |
| AS206606DK | unitmakers Unitmakers ApS | — | — | 0 |
| AS15423DK | Maersk A.P. MOLLER - MAERSK A/S | — | — | 0 |
| AS35589DK | NIANET-AS-L3-CUST GlobalConnect A/S | — | — | 0 |
| AS205000DK | Aalborg Aalborg kommune | — | — | 0 |
| AS206139DK | Tvl_Holding_2025_ApS Nordfelt Holding ApS | — | — | 0 |
| AS199769DK | DANID-AS IN Groupe Denmark A/S | — | — | 0 |
| AS47501DK | ETARG-AS eTarg Media ApS | — | — | 0 |
| AS12617DK | SOLIDO-NET Sentia Denmark A/S | — | — | 0 |
| AS212543DK | fsknet-gl Danmarks Tekniske Universitet | — | — | 0 |
| AS34705DK | SYDFYN Norlys Telco A/S | — | — | 0 |
| AS198391DK | DANISH-IX Danmarks Tekniske Universitet | — | — | 0 |
| AS41629DK | DSV DSV A/S | — | — | 0 |
| AS12435DK | TELIAMOBILE-DK Norlys Telco A/S | — | — | 0 |
| AS35033DK | FUJITSU-AS Fujitsu Services A/S | — | — | 0 |
| AS198194DK | CBSYSTEMER-AS C & B Systemer A/S | — | — | 0 |
| AS60247DK | LABIX-AS Labitat | — | — | 0 |
| AS197123DK | team-blue-Denmark team.blue Denmark A/S | — | — | 0 |
| AS212050DK | din-server Morten Soerensen trading as Din-Server | — | — | 0 |
| AS213943DK | NGC Sundhedsdatastyrelsen | — | — | 0 |
| AS8989DK | NUUDAY-IP-SERVICE-LAYER TDC Brands A/S | — | — | 0 |
| AS49514DK | TWOFAST-DK 2FAST A/S | — | — | 0 |
| AS197493DK | STRATU Stratu A/S | — | — | 0 |
| AS204420DK | DEMANT-AS Oticon A/S | — | — | 0 |
| AS47715DK | ASPECTNET Valeo ApS | — | — | 0 |
| AS42418DK | team-blue-Denmark team.blue Denmark A/S | — | — | 0 |
| AS199004DK | IP-First IP-First ApS | — | — | 0 |
| AS199135DK | SATCOM1 Satcom1 Airtime Services ApS | — | — | 0 |
| AS201720DK | FKDK IT-Forsyningen I/S | — | — | 0 |
| AS200997DK | NETNORDIC-DK-2-AS NetNordic Denmark A/S | — | — | 0 |
| AS29542DK | DANSKETELECOM-AS GlobalConnect A/S | — | — | 0 |
| AS24969DK | DIR-AS Itm8 A/S | — | — | 0 |
| AS199041DK | RESENNET-AS netIP a/s | — | — | 0 |
| AS206517DK | CUROTEC-S2 CuroTec ApS | — | — | 0 |
| AS214629DK | skypuzzler Skypuzzler Aps | — | — | 0 |
| AS60166DK | BGBILOTIL-AS eTarg Media ApS | — | — | 0 |
| AS207533DK | DK-RMG Radiometer Medical ApS | 256 | — | 1 |
| AS47198DK | GENMAB Genmab A/S | 256 | — | 1 |
| AS213066DK | AS_TERMA Terma A/S | 256 | — | 1 |
| AS197495DK | ONECOM-INFRA One.com A/S | 256 | 1 | 2 |
| AS41746DK | DSB DSB (SOV) | 256 | — | 1 |
| AS43986DK | KROMANNREUMERT Kromann Reumert I/S | 256 | — | 1 |
| AS198794DK | UNCENSOREDDNS-AS Thomas Steen Rasmussen | 256 | 1 | 2 |
| AS210731DK | DOTSRC Forening for DotSrc | 256 | 1 | 2 |