🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS48951, 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
223442026-07-012026-08-242026-10-17
3 latest0 over 109 days

Active .dk domains whose website address (A record) is announced by AS48951, counted once a day.

🌐 AS48951 at a glance#

Telekom Deutschland GmbH

AS48951 is announced by Telekom Deutschland 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 2 unique IPv4 addresses on this network, and the domains currently sit in 1 IPv4 CIDR block covering roughly 32.8 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: 3 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 AS48951#

via ipbot.dk

ASN-TSI-IAS Telekom Deutschland GmbH announces 36 prefixes (27 IPv4, 9 IPv6) and reaches the internet through 3 upstream networks.

UpstreamNamePower
AS3320DTAG Deutsche Telekom AG
100.0%
AS2516KDDI CORPORATION
57.8%
AS3491PCCWG-APAC-HK - PCCW Global (HK) Ltd.
32.7%

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

🔻 Networks using AS48951 as upstream#

1 network
NetworkNameDomainsPower
AS20570ASN-TSI-IPLS Telekom Deutschland GmbH—
100.0%

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#

1 CIDR
CIDRDomains
93.122.0.0/17 3

🧭 Nameservers in this AS#

3 hosts

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mail.ltg-hessen.de 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone