🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS34086, 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
18181920202026-07-012026-08-242026-10-17
19 latest0 over 109 days

Active .dk domains whose website address (A record) is announced by AS34086, counted once a day.

🌐 AS34086 at a glance#

T-Systems International GmbH

AS34086 is announced by T-Systems International GmbH (Germany) and currently hosts 19 .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 3 IPv4 CIDR blocks covering roughly 6.7 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: no nameservers and 11 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 AS34086#

via ipbot.dk

SCZN-AS T-Systems International GmbH announces 25 prefixes (22 IPv4, 3 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS3320DTAG Deutsche Telekom AG
100.0%
AS5605NetUSE AG
50.0%
AS6939Hurricane Electric LLC
4.0%
AS5405INTERDOTLINK Inter.link GmbH
1.2%
AS35280F5 F5 Networks SARL
0.9%
AS20562OPEN-PEERING-AS Broadband Hosting B.V.
0.7%
AS25091IP-Max SA
0.7%
AS29632NASSIST-AS Netassist International EOOD
0.7%
AS34019Hivane Association
0.7%
AS34927iFog GmbH
0.7%

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

Found 19 domains matching 34086
DomainIPASNISP / OrgCountry
deutsche-telekom.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
deutschetelekom.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
dtag.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
frederiksberg-folkekirken.dk 46.29.98.249 AS34086 T-Systems International GmbH 🇩🇪 Germany
hop.dk 217.150.155.36 AS34086 T-Systems International GmbH 🇩🇪 Germany
magenta-mobile.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
magentamobile.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
smart-home.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
t-group.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
t-mobil.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
t-mobile.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
t-system.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
t-systems.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
t-vision.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
tgroup.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
tmobil.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
tmobile.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
tsystems.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany
videoload.dk 80.158.66.24 AS34086 T-Systems International GmbH 🇩🇪 Germany

📡 Known CIDRs#

3 CIDRs

📮 Mail Exchangers in this AS#

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