Every .dk domain whose website address (A record) is announced by AS5580, 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.
GTT-ASIA GTT Communications Netherlands B.V. announces 37 prefixes (35 IPv4, 2 IPv6) and reaches the internet through 10 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS3257 | GTT-BACKBONE GTT Communications Inc. | |
| AS4657 | STARHUB-INTERNET - StarHub Ltd | |
| AS3491 | PCCWG-APAC-HK - PCCW Global (HK) Ltd. | |
| AS286 | KPN GTT Communications Inc. | |
| AS6939 | Hurricane Electric LLC | |
| AS45629 | JASTEL-NETWORK-TH-AP - JasTel Network International Gateway | |
| AS15802 | DU-AS1 Emirates Integrated Telecommunications Company PJSC | |
| AS20485 | TRANSTELECOM Joint Stock Company TransTeleCom | |
| AS8966 | Etisalat-AS EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC | |
| AS38008 | APERTURE-AS-AP - Aperture Science Limited |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.