Every .dk domain whose website address (A record) is announced by AS21320, 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.
GEANT_IAS_VRF GEANT Vereniging announces 1 prefixes (1 IPv4, 0 IPv6) and reaches the internet through 10 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS2603 | NORDUnet | |
| AS174 | Cogent Communications, LLC | |
| AS3356 | Level 3 Parent, LLC | |
| AS6939 | Hurricane Electric LLC | |
| AS9002 | RETN Limited | |
| AS13030 | Init7 (Switzerland) Ltd. | |
| AS1853 | ACONET | |
| AS6461 | Zayo Bandwidth | |
| AS33891 | Core-Backbone GmbH | |
| AS24961 | MYLOC-AS WIIT AG |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.