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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 |
| 768 |
| 1 |
| 4 |
| AS211593DK | hnielsen-networks HNielsen Technologies ApS | 768 | 1 | 4 |
| AS50757DK | NUUDAY-IP-CORE TDC Brands A/S | 768 | — | 3 |
| AS207316DK | vaekstfonden Danmarks Eksport- og Investeringsfond | 768 | — | 3 |
| AS201061DK | GITC GITC ApS | 768 | 17 | 5 |
| AS207727DK | A5N Asbjorn Sloth Tonnesen trading as a5n | 768 | 6 | 9 |
| AS50346DK | SUPPORT-IT IT FORUM GRUPPEN A/S | 768 | — | 3 |
| AS208327DK | TOKE-DK Toke Hoiland-Jorgensen | 768 | 524.3K | 4 |
| AS210792DK | ok_amba OK A.M.B.A. | 768 | 524.3K | 3 |
| AS201455DK | ANYCLOUD any.cloud A/S | 768 | — | 3 |
| AS198206DK | ROCKWOOL Rockwool A/S | 768 | — | 3 |
| AS209770DK | MOB5G-ROS Broadband Systems ApS | 1K | — | 1 |
| AS60751DK | AS60751 Salling Group A/S | 1K | — | 1 |
| AS62090DK | RANDERS-KOMMUNE-DK Randers Kommune | 1K | — | 3 |
| AS199374DK | SDE-AS Syddansk Erhvervsskole Odense-Vejle | 1K | 65.5K | 2 |
| AS204425DK | DMEDK Dansk Miljoe & Energistyring A/S | 1K | — | 1 |
| AS61128DK | odknet Odense Kommune | 1K | — | 4 |
| AS205805DK | VATTENFALLVINDDK Vattenfall Vindkraft A/S | 1K | — | 1 |
| AS212428DK | VEJLEKOM Vejle Kommune | 1K | — | 1 |
| AS209327DK | tyktech Thomas Steen Rasmussen trading as tyktech | 1K | 524.3K | 2 |
| AS42686DK | BLUEIT Blue IT Aps | 1K | 524.3K | 2 |
| AS204793DK | KOLLEGIENET FORENINGEN KOLLEGIENET ODENSE | 1K | 524.3K | 2 |
| AS62210DK | DANSKE-COMMODITIES-DK Danske Commodities A/S | 1K | — | 1 |
| AS204988DK | TDH-NET TDH-Net ApS | 1K | 524.3K | 2 |
| AS201912DK | GlostrupKommune Glostrup Kommune | 1K | — | 1 |
| AS206464DK | datacon Danoffice IT ApS | 1K | — | 1 |
| AS206418DK | GK5304 Gentofte Kommune | 1K | — | 4 |
| AS204866DK | MICRODATA-AS Microdata Aps | 1K | — | 4 |
| AS201960DK | GORRISSEN-FEDERSPIEL-AS Gorrissen Federspiel Advokatpartnerselskab | 1K | — | 1 |
| AS59626DK | conscia Conscia Danmark A/S | 1K | 524.3K | 2 |
| AS199289DK | KOBALT Kobalt ApS | 1K | 2 | 6 |
| AS50364DK | SIPATO Sipato ApS | 1K | 524.3K | 2 |
| AS39590DK | NDGF NORDUnet | 1K | 64 | 2 |
| AS205793DK | NEAS-ENERGY Centrica Energy Trading A/S | 1K | — | 1 |
| AS34165DK | LogiqIT-ApS Novaram ApS | 1K | — | 4 |
| AS205846DK | Hillerod_Kommune Hillerod Kommune | 1K | 524.3K | 2 |
| AS205760DK | syddjurs Syddjurs Kommune | 1K | — | 1 |
| AS201130DK | NovoNordisk Novo Nordisk A/S | 1K | — | 4 |
| AS205882DK | simcorp SimCorp A/S | 1K | — | 1 |
| AS211783DK | BEOIO beo.io ApS | 1K | 524.3K | 5 |
| AS205510DK | ALUCAITER-ASN Adeo Datacenter ApS | 1K | — | 1 |
| AS207017DK | SKYWIRE-DK Skywire ApS | 1K | — | 1 |
| AS204171DK | TD-K TD-K A/S | 1K | 524.3K | 5 |
| AS208237DK | AS_NKKOM Naestved Kommune | 1K | — | 1 |
| AS209291DK | SUStyrelsen Uddannelses- og Forskningsstyrelsens It | 1K | — | 3 |
| AS206157DK | complea Complea A/S | 1K | 65.5K | 3 |
| AS203288DK | DanskScanning WebLager A/S | 1K | — | 1 |