🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS20634, 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#

109 days
011222026-07-012026-08-242026-10-17
1 latest0 over 109 days

Active .dk domains whose website address (A record) is announced by AS20634, counted once a day.

🌐 AS20634 at a glance#

Telecom Liechtenstein AG

AS20634 is announced by Telecom Liechtenstein AG (Liechtenstein) 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 256 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: 1 distinct nameserver 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 AS20634#

via ipbot.dk

Telecom Liechtenstein AG announces 15 prefixes (13 IPv4, 2 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS8447A1TELEKOM-AT A1 Telekom Austria AG
100.0%
AS3356Level 3 Parent, LLC
37.9%
AS6939Hurricane Electric LLC
3.3%
AS34019Hivane Association
0.8%
AS3303Swisscom (Schweiz) AG
0.6%
AS1764Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
0.4%
AS1836green.ch AG
0.4%
AS24961MYLOC-AS WIIT AG
0.4%
AS25091IP-Max SA
0.4%
AS29075IELO-LIAZO SERVICES SAS
0.4%

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

Found 1 domain matching 20634
DomainIPASNISP / OrgCountry
krausnaimer.dk 193.17.79.49 AS20634 Telecom Liechtenstein AG 🇱🇮 Liechtenstein

📡 Known CIDRs#

1 CIDR
CIDRDomains
193.17.79.0/24 1

🧭 Nameservers in this AS#

1 host
HostnameDomains
ns4.krausnaimer.com 1

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mail-vz.kronospan-it.com 4
dhd.dk [/] search Domains, Hosts & DNS — .dk zone