Every .dk domain whose website address (A record) is announced by AS9583, 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.
SIFY-AS-IN - Sify Limited announces 2,225 prefixes (2,191 IPv4, 34 IPv6) and reaches the internet through 10 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS55836 | Reliance Jio Infocomm Limited | |
| AS4755 | TATA Communications formerly VSNL is Leading ISP | |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | |
| AS1299 | TWELVE99 Arelion Sweden AB | |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | |
| AS6939 | Hurricane Electric LLC | |
| AS7473 | SINGTEL-AS-AP - Singapore Telecommunications Ltd | |
| AS8220 | COLT Technology Services Group Limited | |
| AS35280 | F5 F5 Networks SARL | |
| AS9002 | RETN Limited |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.