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
472
Routed AS numbers
341
Largest networks in Denmark
By announced prefixes| AS | Name | IPv4 prefixes | IPv6 prefixes |
|---|---|---|---|
| AS3292 | TDC TDC Holding A/S | 179 | 4 |
| AS31027 | GlobalConnect-AS31027 GlobalConnect A/S | 134 | 13 |
| 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 | 34 | 1 |
| AS198622 | ADFORM Adform A/S | 17 | 14 |
| AS62319 | ITM8-AS Itm8 A/S | 30 | 1 |
| AS3308 | TELIANET-DENMARK Norlys Telco A/S | 23 | 7 |
| 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 |
| AS47527 | DLX-AS DLX A/S | 17 | 5 |
| AS214875 | altiboxas Altibox Danmark AS | 20 | 1 |
| AS21060 | ASN-ATEA-DK Atea A/S | 19 | 2 |
| AS51468 | ONECOM One.com A/S | 17 | 3 |
| AS29139 | SCL-AS A.P. MOLLER MAERSK A/S | 19 | 0 |
| AS3342 | Cibicom-IP-Network Cibicom A/S | 18 | 1 |
| AS25384 | DMDATA-AS Kyndryl Danmark ApS | 17 | 0 |
| 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 |
| AS59701 | LYTZENIT NetNordic Denmark A/S | 12 | 2 |
| AS203953 | Hiper Hiper A/S | 13 | 1 |
| AS56496 | TV2-DANMARK TV 2 Danmark A/S | 5 | 9 |
| AS57087 | JYSK JYSK A/S | 10 | 4 |
| AS49010 | HERNING-KOMMUNE-AS Herning Kommune | 10 | 3 |
Delegations by registry: RIPE 1,926, APNIC 3. Updated 2026-10-03.