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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.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS3292DK | TDC TDC Holding A/S | 5.2M | 180 |
| AS9158DK | TELENOR_DANMARK_AS Telenor A/S | 2.5M | 30 |
| AS39642DK | Sinal-AS Sinal A/S | 560.1K | 50 |
| AS31027DK | GlobalConnect-AS31027 GlobalConnect A/S | 384.3K | 147 |
| AS15516DK | DK-DANSKKABELTV DKTV A/S | 341K | 13 |
| 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 |
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.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS200538DK | DK-RUDERSDAL Rudersdal Kommune | 1K | — | 1 |
| AS206418DK | GK5304 Gentofte Kommune | 1K | — | 4 |
| AS204866DK | MICRODATA-AS Microdata Aps | 1K | — | 4 |
| AS205452DK | DI DI Forening | 1K | — | 1 |
| AS49475DK | Wingmen Wingmen Solutions ApS | 1K | 524.3K | 2 |
| AS208327DK | TOKE-DK Toke Hoiland-Jorgensen | 768 | 524.3K | 4 |
| AS201055DK | market-pay Market Pay Nordic & Baltic ApS | 768 | — | 2 |
| AS43806DK | DK-REGSJ Region Sjaelland | 768 | — | 2 |
| AS201455DK | ANYCLOUD any.cloud A/S | 768 | — | 3 |
| AS50346DK | SUPPORT-IT IT FORUM GRUPPEN A/S | 768 | — | 3 |
| AS210792DK | ok_amba OK A.M.B.A. | 768 | 524.3K | 3 |
| AS35678DK | Typoconsult IST ApS | 768 | — | 2 |
| AS51510DK | DFDS-AS DFDS A/S | 768 | — | 3 |
| AS207316DK | vaekstfonden Danmarks Eksport- og Investeringsfond | 768 | — | 3 |
| AS211040DK | MS2001 MS 2001 Aps | 768 | — | 3 |
| AS201061DK | GITC GITC ApS | 768 | 17 | 5 |
| AS50757DK | NUUDAY-IP-CORE TDC Brands A/S | 768 | — | 3 |
| AS198206DK | ROCKWOOL Rockwool A/S | 768 | — | 3 |
| AS213693DK | IDPerformance-idhosting Imad Nabil Daher | 768 | 1 | 4 |
| AS207727DK | A5N Asbjorn Sloth Tonnesen trading as a5n | 768 | 6 | 9 |
| AS211593DK | hnielsen-networks HNielsen Technologies ApS | 768 | 1 | 4 |
| AS207035DK | NETS-USERS Nets Denmark A/S | 512 | — | 1 |
| AS199545DK | STACKET Stacket Group ApS | 512 | 5 | 6 |
| AS59700DK | NJTS Nordjyllands Trafikselskab I/S | 512 | — | 1 |
| AS41014DK | TOPDANMARK-AS Topdanmark EDB A/S | 512 | — | 1 |
| AS196827DK | CONSC1A Conscia Danmark A/S | 512 | 65.5K | 2 |
| AS218723DK | CEGO-ASN CEGO A/S | 512 | — | 1 |
| AS219546DK | ncop-p03-edgas Netcompany A/S | 512 | — | 2 |
| AS215686DK | EdelskjoldHolding Edelskjold Holding ApS | 512 | 1M | 4 |
| AS199718DK | G4S-Net G4S Security Services A/S | 512 | — | 2 |
| AS42355DK | Jan_Chrillesen Sinal A/S | 512 | — | 2 |
| AS206941DK | SECURITAS-AS Securitas A/S | 512 | — | 2 |
| AS42789DK | GVDNET GVD Antenneforening | 512 | — | 1 |
| AS212991DK | CURAit CURAit A/S | 512 | 524.3K | 3 |
| AS203042DK | skelduz Skelduz ApS | 512 | 524.3K | 2 |
| AS43167DK | FYNSKEMEDIER-AS Fynske Medier P/S | 512 | — | 1 |
| AS34506DK | SuperGros Dagrofa ApS | 512 | — | 2 |
| AS25352DK | Guardian-Networks H B H Trade Center v/Henrik Bo Hansen | 512 | — | 2 |
| AS57860DK | ZENCURITY-NET Zencurity ApS | 512 | 524.3K | 2 |
| AS12834DK | Danfoss A/S | 512 | — | 2 |
| AS43196DK | TMN-AS Sinal A/S | 512 | — | 1 |
| AS51000DK | CRISPLANT BEUMER Group A/S | 512 | — | 1 |
| AS216313DK | COMPLETNET-NET Completnet ApS | 512 | 65.5K | 3 |
| AS44338DK | COWI-AS COWI A/S | 512 | — | 1 |
| AS199848DK | SYSTEMATIC SYSTEMATIC A/S | 512 | — | 1 |
| AS209025DK | EDORA Edora Development A/S | 512 | 262.1K | 2 |
| AS51073DK | AARHUS-KOEBMANDSSKOLE Aarhus Business College | 512 | — | 1 |
| AS49930DK | JDM Itm8 A/S | 512 | — | 2 |
| AS204652DK | team-blue-Denmark-Anycast team.blue Denmark A/S | 512 | 2 | 4 |
| AS197316DK | CopenhagenCloud Copenhagen Cloud ApS | 512 | 524.3K | 2 |