Every .dk domain whose website address (A record) is announced by AS22742, 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.
CT-EDU-NET - Connecticut Education Network announces 80 prefixes (78 IPv4, 2 IPv6) and reaches the internet through 10 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS3257 | GTT-BACKBONE GTT Communications Inc. | |
| AS6939 | Hurricane Electric LLC | |
| AS174 | Cogent Communications, LLC | |
| AS11164 | INTERNET2-I2PX - Internet2 | |
| AS25091 | IP-Max SA | |
| AS11537 | INTERNET2-RESEARCH-EDU - Internet2 | |
| AS34549 | meerfarbig GmbH & Co. KG | |
| AS33891 | Core-Backbone GmbH | |
| AS4230 | CLARO S.A. | |
| AS8359 | MTS PJSC |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.