Every .dk domain whose website address (A record) is announced by AS6057, 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.
Administracion Nacional de Telecomunicaciones announces 602 prefixes (576 IPv4, 26 IPv6) and reaches the internet through 10 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS3356 | Level 3 Parent, LLC | |
| AS12956 | TELXIUS TELEFONICA GLOBAL SOLUTIONS SL | |
| AS6939 | Hurricane Electric LLC | |
| AS174 | Cogent Communications, LLC | |
| AS6461 | Zayo Bandwidth | |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | |
| AS5511 | Opentransit Orange S.A. | |
| AS6762 | SEABONE-NET TELECOM ITALIA SPARKLE S.p.A. | |
| AS1299 | TWELVE99 Arelion Sweden AB | |
| AS20485 | TRANSTELECOM Joint Stock Company TransTeleCom |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.