Every .dk domain whose website address (A record) is announced by AS15549, with the network's IPv6 and DNSSEC adoption and its observed prefixes. An autonomous system is the routing identity of a hosting company or ISP. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.
National Information Technologies Joint-Stock Company announces 12 prefixes (12 IPv4, 0 IPv6) and reaches the internet through 6 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS21299 | Kar-Tel LLC | |
| AS35104 | KTC-AS Jusan Mobile JSC | |
| AS41798 | TTC-AS JSC Transtelecom | |
| AS35168 | TNS-Plus-Core TNS-Plus LLP | |
| AS35598 | INETCOM CARRIER LLC | |
| AS9198 | KAZTELECOM-AS JSC Kazakhtelecom |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.