Every .dk domain whose website address (A record) is announced by AS44143, 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.
A1SERBIA-AS A1 Srbija d.o.o. Beograd announces 17 prefixes (14 IPv4, 3 IPv6) and reaches the internet through 5 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS8447 | A1TELEKOM-AT A1 Telekom Austria AG | |
| AS1299 | TWELVE99 Arelion Sweden AB | |
| AS13004 | SOX Serbian Open Exchange DOO | |
| AS6204 | ZET-NET TMRC GROUP SRL | |
| AS15958 | CETIN_doo_AS CETIN Ltd. Belgrade |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.