🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS21472, 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#

111 days
011222026-07-012026-08-252026-10-19
1 latest0 over 111 days

Active .dk domains whose website address (A record) is announced by AS21472, counted once a day.

🌐 AS21472 at a glance#

ServerHouse Ltd

AS21472 is announced by ServerHouse Ltd (United Kingdom) and currently hosts 1 .dk domain in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 1 unique IPv4 address 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.

We have not observed any nameservers or mail exchangers for .dk domains on this AS — the domains hosted here run their DNS and mail from other networks.

On the security side, 1 of the domains hosted here (100.0%) validate as DNSSEC-secure — well above 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 AS21472#

via ipbot.dk

ServerHouse Ltd announces 12 prefixes (11 IPv4, 1 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS174Cogent Communications, LLC
68.4%
AS3356Level 3 Parent, LLC
66.9%
AS215162Trooli Ltd.
15.0%
AS25091IP-Max SA
8.9%
AS34549meerfarbig GmbH & Co. KG
6.5%
AS5405INTERDOTLINK Inter.link GmbH
4.5%
AS35280F5 F5 Networks SARL
4.1%
AS34927iFog GmbH
3.7%
AS50304Blix Solutions AS
3.7%

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

🔻 Networks using AS21472 as upstream#

1 network
NetworkNameDomainsPower
AS215162Trooli Ltd.—
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 1 domain matching 21472
DomainIPASNISP / OrgCountry
devrandom.dk 5.2.16.149 AS21472 ServerHouse Ltd 🇬🇧 United Kingdom

📡 Known CIDRs#

1 CIDR
CIDRDomains
5.2.16.0/21 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone