🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS42237, 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#

112 days
457892026-07-012026-08-252026-10-20
9 latest+5 over 112 days

Active .dk domains whose website address (A record) is announced by AS42237, counted once a day.

🌐 AS42237 at a glance#

w1n ltd

AS42237 is announced by w1n ltd (Sweden) and currently hosts 9 .dk domains 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 256 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, 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 AS42237#

via ipbot.dk

w1n ltd announces 19 prefixes (7 IPv4, 12 IPv6) and reaches the internet through 7 upstream networks.

UpstreamNamePower
AS3399Obenet AB
100.0%
AS6939Hurricane Electric LLC
46.0%
AS50304Blix Solutions AS
1.1%
AS24482SGGS-AS-AP - SG.GS
0.7%
AS39351ESAB-AS 31173 Services AB
0.7%
AS20473AS-VULTR - The Constant Company, LLC
0.4%
AS31500GNM-AS Global Network Management Inc
0.4%

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

📡 Known CIDRs#

1 CIDR
CIDRDomains
91.236.116.0/24 9
dhd.dk [/] search Domains, Hosts & DNS — .dk zone