Every .dk domain whose website address (A record) is announced by AS10010, 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.
TOKAI Communications Corporation announces 195 prefixes (188 IPv4, 7 IPv6) and reaches the internet through 10 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS4637 | ASN-TELSTRA-GLOBAL - Telstra Global | |
| AS1299 | TWELVE99 Arelion Sweden AB | |
| AS2497 | IIJ - Internet Initiative Japan Inc. | |
| AS174 | Cogent Communications, LLC | |
| AS17676 | GIGAINFRA - SoftBank Corp. | |
| AS6939 | Hurricane Electric LLC | |
| AS2518 | BIGLOBE Inc. | |
| AS8220 | COLT Technology Services Group Limited | |
| AS59103 | SoftEther Corporation | |
| AS20485 | TRANSTELECOM Joint Stock Company TransTeleCom |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.