Every .dk domain whose website address (A record) is announced by AS6830, 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.
Liberty Global Europe Holding B.V. announces 174 prefixes (167 IPv4, 7 IPv6) and reaches the internet through 10 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS6730 | Sunrise GmbH | |
| AS1299 | TWELVE99 Arelion Sweden AB | |
| AS174 | Cogent Communications, LLC | |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | |
| AS3356 | Level 3 Parent, LLC | |
| AS6939 | Hurricane Electric LLC | |
| AS24785 | JOINTTRANSIT-AS Broadband Hosting B.V. | |
| AS3257 | GTT-BACKBONE GTT Communications Inc. | |
| AS1103 | SURFNET-NL SURF B.V. | |
| AS6762 | SEABONE-NET TELECOM ITALIA SPARKLE S.p.A. |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.
| Hostname | Domains |
|---|---|
| ns1.upc.biz | 3 |
| ns2.upc.biz | 3 |