🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS51815, 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#

118 days
112222026-07-012026-08-282026-10-26
1 latest-1 over 118 days

Active .dk domains whose website address (A record) is announced by AS51815, counted once a day.

🌐 AS51815 at a glance#

Kustbandet AB

AS51815 is announced by Kustbandet AB (Sweden) and currently hosts 1 .dk domain 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 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 AS51815#

via ipbot.dk

TEKNIKBYRAN Kustbandet AB announces 24 prefixes (17 IPv4, 7 IPv6) and reaches the internet through 1 upstream network.

UpstreamNamePower
AS3399Obenet AB
100.0%

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

Found 1 domain matching 51815
DomainIPASNISP / OrgCountry
wfsecapi.dk 192.121.137.37 AS51815 Kustbandet AB 🇸🇪 Sweden

📡 Known CIDRs#

1 CIDR
CIDRDomains
192.121.137.0/24 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone