🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS50372, 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#

119 days
334442026-07-012026-08-292026-10-27
4 latest+1 over 119 days

Active .dk domains whose website address (A record) is announced by AS50372, counted once a day.

🌐 AS50372 at a glance#

Planetary Networks GmbH

AS50372 is announced by Planetary Networks GmbH (Germany) and currently hosts 4 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 4 unique IPv4 addresses on this network, and the domains currently sit in 1 IPv4 CIDR block covering roughly 2 thousand addresses of IPv4 space.

We have yet to observe any IPv6 (AAAA) hosting on this AS.

The network is part of the .dk zone's infrastructure too: 1 distinct nameserver and 1 distinct mail exchanger 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 AS50372#

via ipbot.dk

Planetary Networks GmbH announces 11 prefixes (10 IPv4, 1 IPv6) and reaches the internet through 8 upstream networks.

UpstreamNamePower
AS5405INTERDOTLINK Inter.link GmbH
100.0%
AS3356Level 3 Parent, LLC
21.2%
AS6939Hurricane Electric LLC
4.1%
AS8218NEO-ASN Zayo Infrastructure France SA
0.9%
AS24961MYLOC-AS WIIT AG
0.6%
AS33891Core-Backbone GmbH
0.3%
AS39351ESAB-AS 31173 Services AB
0.3%
AS6797GLOBALCONNECT-NET GlobalConnect AB
0.3%

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

📡 Known CIDRs#

1 CIDR
CIDRDomains
5.57.40.0/21 4

🧭 Nameservers in this AS#

1 host
HostnameDomains
ns1.planetary-networks.de 1

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mail.sambonet.dk 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone