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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 |
| AS206079DK | SBSHOSTING MH HOLDING AF 1. JUNI 2009 ApS | — | — | 0 |
| AS28826DK | IHI-DK - Bupa Denmark Services A S | — | — | 0 |
| AS24969DK | DIR-AS Itm8 A/S | — | — | 0 |
| AS203570DK | GIGAHOST Gigahost ApS | — | — | 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 |
| AS210971DK | FR0ZEN-AS Dennis Beck | — | — | 0 |
| AS212543DK | fsknet-gl Danmarks Tekniske Universitet | — | — | 0 |
| AS198903DK | RSK-AS Roskilde Kulturservice A/S | — | 1 | 1 |
| 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 |
| AS12435DK | TELIAMOBILE-DK Norlys Telco 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 |
| AS57347DK | DK-ETARG-ASN eTarg Media ApS | — | — | 0 |
| AS216298DK | FINALTO-DK-AS Finalto A/S | — | — | 0 |
| AS211153DK | HAFNIUM-AS Emil Petersen | — | 18 | 3 |
| AS16095DK | JAYNET Sentia Denmark A/S | — | — | 0 |
| AS213320DK | NORLYS-DIGITAL Norlys Telco A/S | — | 524.3K | 1 |
| AS214983DK | MikkelBuhlMadsen Mikkel Buhl Madsen | — | 1 | 1 |
| AS208391DK | NETRAVNEN Christoffer Hansen | — | 1 | 1 |
| AS35033DK | FUJITSU-AS Fujitsu Services A/S | — | — | 0 |
| AS35376DK | TRE-FOR-Bredbaand-AS EWII Bredbaand A/S | — | — | 0 |
| AS199988DK | DANSKELOENSYSTEMER-AS Paychex Europe Denmark ApS | — | — | 0 |
| AS47173DK | HOUSE4IT House4iT A/S | — | — | 0 |
| AS202031DK | EuShells Sjacob Holding ApS | — | — | 0 |
| AS199795DK | AS-VADASYS SAC-IT A/S | — | — | 0 |
| AS216284DK | MNEERUP Mathias Neerup | — | — | 0 |
| AS197861DK | FMR-ASN Frej Mau Rye | — | 4 | 4 |
| AS206606DK | unitmakers Unitmakers ApS | — | — | 0 |
| AS213032DK | FLEGGAARD Fleggaard Holding A/S | — | 3 | 3 |
| AS218723DK | CEGO-ASN CEGO A/S | — | — | 0 |
| AS28717DK | GlobalConnect-AS28717 GlobalConnect A/S | — | — | 0 |
| AS43557DK | ASEMNET Sinal A/S | — | — | 0 |
| AS57735DK | HEF-Fibernet-AS Norlys Telco A/S | — | — | 0 |
| AS208292DK | SKIVE-KOM Skive Kommune | — | — | 0 |
| AS15423DK | Maersk A.P. MOLLER - MAERSK A/S | — | — | 0 |
| AS214866DK | Greenhost-AS GreenHost ApS | — | — | 0 |
| AS206554DK | CNXA Connexa A/S | — | — | 0 |
| AS199041DK | RESENNET-AS netIP a/s | — | — | 0 |
| AS21456DK | KVADRAT-DK Kvadrat AS | — | — | 0 |