Every .dk domain whose website address (A record) is announced by AS52129, 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.
PROOFPOINT-ASN-EU Proofpoint, Inc. announces 48 prefixes (46 IPv4, 2 IPv6) and reaches the internet through 5 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS21859 | ZEN-ECN - Zenlayer Inc | |
| AS6939 | Hurricane Electric LLC | |
| AS9583 | SIFY-AS-IN - Sify Limited | |
| AS1299 | TWELVE99 Arelion Sweden AB | |
| AS174 | Cogent Communications, LLC |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.