🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS51395, 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.

📈 Domains over time#

110 days
112332026-07-012026-08-242026-10-18
2 latest0 over 110 days

Active .dk domains whose website address (A record) is announced by AS51395, counted once a day.

🌐 AS51395 at a glance#

Datasource AG

AS51395 is announced by Datasource AG (Switzerland) and currently hosts 2 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 2 unique IPv4 addresses on this network, and the domains currently sit in 2 IPv4 CIDR blocks covering roughly 2 thousand addresses of IPv4 space.

IPv6 is live here too: 1 domain (50.0%) publish AAAA records from this AS, resolving to 1 unique IPv6 address across 1 prefix (about 34.4 billion /64 networks of space).

The network is part of the .dk zone's infrastructure too: 4 distinct nameservers and 2 distinct mail exchangers serving .dk domains currently resolve to addresses announced by this AS.

On the security side, 0 of the domains hosted here (0.0%) validate as DNSSEC-secure — below the zone-wide average for domains with a web address, 70.5%. See how this AS compares on the ASN statistics page, or drill into the CIDR list below the results.

🛰️ Upstream providers of AS51395#

via ipbot.dk

AS-SOFTPLUS Datasource AG announces 34 prefixes (26 IPv4, 8 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS13030Init7 (Switzerland) Ltd.
100.0%
AS3303Swisscom (Schweiz) AG
96.6%
AS6939Hurricane Electric LLC
14.5%
AS9002RETN Limited
3.0%
AS29691Nine Internet Solutions AG
1.1%
AS34019Hivane Association
1.1%
AS8758Iway AG
0.8%
AS24961MYLOC-AS WIIT AG
0.5%
AS39351ESAB-AS 31173 Services AB
0.5%
AS25091IP-Max SA
0.4%

Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.

🔻 Networks using AS51395 as upstream#

1 network
NetworkNameDomainsPower
AS3303Swisscom (Schweiz) AG26
100.0%

Among the networks we hold ipbot.dk routing data for (the ones looked up on this site), so this is a sample of the AS's customers, not all of them.

Found 2 domains matching 51395
DomainIPASNISP / OrgCountry
paysixt.dk 185.189.148.8 AS51395 Datasource AG 🇨🇭 Switzerland
stormengene.dk 185.85.110.19 AS51395 Datasource AG 🇨🇭 Switzerland

📡 Known CIDRs#

3 CIDRs

🧭 Nameservers in this AS#

4 hosts

📮 Mail Exchangers in this AS#

2 hosts
dhd.dk [/] search Domains, Hosts & DNS — .dk zone