🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS12813, 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#

115 days
011222026-07-012026-08-272026-10-23
1 latest0 over 115 days

Active .dk domains whose website address (A record) is announced by AS12813, counted once a day.

🌐 AS12813 at a glance#

WorNet AG

AS12813 is announced by WorNet AG (Germany) 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 8.2 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: 2 distinct nameservers 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 AS12813#

via ipbot.dk

WorNet AG announces 2 prefixes (1 IPv4, 1 IPv6) and reaches the internet through 9 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS174Cogent Communications, LLC
17.0%
AS25091IP-Max SA
1.2%
AS34549meerfarbig GmbH & Co. KG
1.2%
AS34927iFog GmbH
0.8%
AS50629LWLcom GmbH
0.8%
AS5405INTERDOTLINK Inter.link GmbH
0.8%
AS8298IPng Networks GmbH
0.8%
AS33891Core-Backbone GmbH
0.4%

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

Found 1 domain matching 12813
DomainIPASNISP / OrgCountry
secumail.dk 212.11.240.76 AS12813 WorNet AG 🇩🇪 Germany

📡 Known CIDRs#

1 CIDR
CIDRDomains
212.11.224.0/19 1

🧭 Nameservers in this AS#

2 hosts
HostnameDomains
ns1.s-42.net 1
ns2.s-42.net 1

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mail3.wor.net 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone