Every .dk domain whose website address (A record) is announced by AS41327, 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.
Fiber Telecom S.p.A. announces 24 prefixes (22 IPv4, 2 IPv6) and reaches the internet through 10 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS6461 | Zayo Bandwidth | |
| AS174 | Cogent Communications, LLC | |
| AS6939 | Hurricane Electric LLC | |
| AS3356 | Level 3 Parent, LLC | |
| AS1299 | TWELVE99 Arelion Sweden AB | |
| AS3257 | GTT-BACKBONE GTT Communications Inc. | |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | |
| AS6762 | SEABONE-NET TELECOM ITALIA SPARKLE S.p.A. | |
| AS37468 | Angola Cables |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.