🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS12597, 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#

113 days
112332026-07-012026-08-262026-10-21
2 latest0 over 113 days

Active .dk domains whose website address (A record) is announced by AS12597, counted once a day.

🌐 AS12597 at a glance#

Gotalandsnatet AB

AS12597 is announced by Gotalandsnatet AB (Sweden) and currently hosts 2 .dk domains 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 2 IPv4 CIDR blocks covering roughly 12.3 thousand addresses of IPv4 space.

IPv6 is live here too: 2 domains (100.0%) publish AAAA records from this AS, resolving to 2 unique IPv6 addresses across 1 prefix (about 4.3 billion /64 networks of space).

The network is part of the .dk zone's infrastructure too: 2 distinct nameservers and 6 distinct mail exchangers 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 AS12597#

via ipbot.dk

GOTANET Gotalandsnatet AB announces 47 prefixes (39 IPv4, 8 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS1257SWIPNET - Tele2 Sverige AB
100.0%
AS6939Hurricane Electric LLC
26.3%
AS5405INTERDOTLINK Inter.link GmbH
0.8%
AS3303Swisscom (Schweiz) AG
0.5%
AS25091IP-Max SA
0.5%
AS33891Core-Backbone GmbH
0.5%
AS35280F5 F5 Networks SARL
0.3%
AS20764RASCOM-AS CJSC RASCOM
0.3%
AS50304Blix Solutions AS
0.3%
AS39351ESAB-AS 31173 Services AB
0.2%

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

Found 2 domains matching 12597
DomainIPASNISP / OrgCountry
gotanet.dk 212.3.0.236 +1 AS12597 Gotalandsnatet AB 🇸🇪 Sweden
gotasms.dk 212.3.0.236 +1 AS12597 Gotalandsnatet AB 🇸🇪 Sweden

📡 Known CIDRs#

3 CIDRs

🧭 Nameservers in this AS#

2 hosts
HostnameDomains
nic.gota.net 3
nic2.gota.net 3

📮 Mail Exchangers in this AS#

6 hosts
dhd.dk [/] search Domains, Hosts & DNS — .dk zone