🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS34309, 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#

110 days
223442026-07-012026-08-242026-10-18
3 latest0 over 110 days

Active .dk domains whose website address (A record) is announced by AS34309, counted once a day.

🌐 AS34309 at a glance#

Link11 GmbH

AS34309 is announced by Link11 GmbH (Germany) and currently hosts 3 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 3 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.

We have yet to observe any IPv6 (AAAA) hosting on this AS.

The network is part of the .dk zone's infrastructure too: 4 distinct nameservers and no 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 AS34309#

via ipbot.dk

Link11 GmbH announces 17 prefixes (13 IPv4, 4 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS1299TWELVE99 Arelion Sweden AB
100.0%
AS174Cogent Communications, LLC
46.3%
AS6939Hurricane Electric LLC
32.9%
AS6453TATA COMMUNICATIONS (AMERICA) INC
21.4%
AS3320DTAG Deutsche Telekom AG
5.0%
AS34549meerfarbig GmbH & Co. KG
5.0%
AS13030Init7 (Switzerland) Ltd.
3.5%
AS25091IP-Max SA
3.4%
AS33891Core-Backbone GmbH
3.2%
AS6461Zayo Bandwidth
3.1%

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

🔻 Networks using AS34309 as upstream#

23 networks
NetworkNameDomainsPower
AS24637WEBDISCOUNT GmbH & Co. KG—
100.0%
AS19324Dosarrest Internet Security LTD—
69.7%
AS33873Arvato Systems GmbH—
67.1%
AS8319NETHINKS GmbH—
40.8%
AS30083AS-30083-US-VELIA-NET - velia.net21
40.4%
AS8590Bayerische Motoren Werke Aktiengesellschaft—
35.7%
AS43509Bank-Verlag-GmbH Netcetera Software Services GmbH—
33.6%
AS15763ASDOKOM DOKOM Gesellschaft fuer Telekommunikation mbH—
33.5%
AS201955iquer.net GmbH & Co KG—
32.6%
AS16024GELSEN-NET Kommunikationsgesellschaft mbH—
29.7%
AS16107Commerzbank Aktiengesellschaft—
28.0%
AS24951EVERYWARE-NET EveryWare AG—
25.9%
AS200651FlokiNET ehf—
24.7%
AS44225Metaways Infosystems GmbH—
22.9%
AS61157PLUSSERVER-ASN1 PlusServer GmbH145
22.9%
AS24994genesys informatica srl42
22.8%
AS33965LITECOM AG—
22.8%
AS20988MTF Solutions AG—
22.6%
AS8823AutonomousSystemRockensteinAG Rockenstein AG—
22.5%
AS12329TMR GLASFASER RUHR GmbH & Co. KG—
22.3%
AS21473PFALZKOM GmbH—
18.4%
AS60672SC ServerChoice Ltd—
3.4%
AS206775novomind AG—
2.6%

Among the networks we hold ipbot.dk routing data for (the ones looked up on this site), so this is a sample of the AS's customers, not all of them.

📡 Known CIDRs#

2 CIDRs

🧭 Nameservers in this AS#

4 hosts
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