Denmark
IP address space, AS numbers and the largest networks registered in Denmark, based on the delegation records of the regional internet registries.
IPv4 addresses
12M
1,518 blocks
IPv6 allocations
411
AS numbers
471
Routed AS numbers
344
Largest networks in Denmark
By announced prefixes| AS | Name | IPv4 prefixes | IPv6 prefixes |
|---|---|---|---|
| AS3292 | TDC TDC Holding A/S | 173 | 4 |
| AS31027 | GlobalConnect-AS31027 GlobalConnect A/S | 133 | 22 |
| AS47292 | SENTIA Sentia Denmark A/S | 115 | 6 |
| AS48854 | team-blue-denmark team.blue Denmark A/S | 47 | 5 |
| AS39642 | Sinal-AS Sinal A/S | 41 | 9 |
| AS44803 | WEBDOCK-AS Webdock.io ApS | 48 | 2 |
| AS204607 | JNDATA-AS JN DATA A/S | 37 | 0 |
| AS202914 | adeodc Adeo Datacenter ApS | 33 | 1 |
| AS3308 | TELIANET-DENMARK Norlys Telco A/S | 24 | 7 |
| AS198622 | ADFORM Adform A/S | 17 | 14 |
| AS62319 | ITM8-AS Itm8 A/S | 30 | 1 |
| AS9158 | TELENOR_DANMARK_AS Telenor A/S | 26 | 2 |
| AS49362 | DSV DSV A/S | 25 | 1 |
| AS58282 | STATENSIT Statens IT | 23 | 2 |
| AS44398 | ITM8-AS Itm8 A/S | 23 | 1 |
| AS214875 | altiboxas Altibox Danmark AS | 21 | 2 |
| AS47527 | DLX-AS DLX A/S | 17 | 5 |
| AS21060 | ASN-ATEA-DK Atea A/S | 19 | 2 |
| AS51468 | ONECOM One.com A/S | 18 | 3 |
| AS29139 | SCL-AS A.P. MOLLER MAERSK A/S | 19 | 0 |
| AS3342 | Cibicom-IP-Network Cibicom A/S | 17 | 1 |
| AS25384 | DMDATA-AS Kyndryl Danmark ApS | 17 | 1 |
| AS215541 | AS-KRUSESEC Peter Kruse | 1 | 16 |
| AS59701 | LYTZENIT NetNordic Denmark A/S | 14 | 2 |
| AS42525 | GlobalConnect-AS42525 GlobalConnect A/S | 13 | 3 |
| AS60111 | ASOM-NET ASOM-Net Forening | 9 | 6 |
| AS12483 | DanskeBank-AS Den Danske Bank A/S | 15 | 0 |
| AS203953 | Hiper Hiper A/S | 13 | 1 |
| AS56496 | TV2-DANMARK TV 2 Danmark A/S | 5 | 9 |
| AS57087 | JYSK JYSK A/S | 10 | 4 |
Delegations by registry: RIPE 1,926, APNIC 3. Updated 2026-10-05.