🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS6805, 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
334552026-07-012026-08-242026-10-17
4 latest0 over 109 days

Active .dk domains whose website address (A record) is announced by AS6805, counted once a day.

🌐 AS6805 at a glance#

Telefonica Germany

AS6805 is announced by Telefonica Germany (Germany) and currently hosts 4 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 4 unique IPv4 addresses on this network, and the domains currently sit in 4 IPv4 CIDR blocks covering roughly 2.1 million addresses of IPv4 space.

IPv6 is live here too: 1 domain (25.0%) publish AAAA records from this AS, resolving to 1 unique IPv6 address across 1 prefix (about 274.9 billion /64 networks of space).

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, 3 of the domains hosted here (75.0%) validate as DNSSEC-secure — well above 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 AS6805#

via ipbot.dk

TDDE-ASN1 Telefonica Germany GmbH & Co.OHG announces 37 prefixes (33 IPv4, 4 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS12956TELXIUS TELEFONICA GLOBAL SOLUTIONS SL
100.0%
AS6939Hurricane Electric LLC
29.7%
AS9002RETN Limited
19.9%
AS13030Init7 (Switzerland) Ltd.
7.7%
AS3257GTT-BACKBONE GTT Communications Inc.
7.7%
AS6461Zayo Bandwidth
6.8%
AS34549meerfarbig GmbH & Co. KG
4.7%
AS33891Core-Backbone GmbH
3.6%
AS34019Hivane Association
3.6%
AS34927iFog GmbH
3.3%

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

🔻 Networks using AS6805 as upstream#

2 networks
NetworkNameDomainsPower
AS12466Bicos Computer GmbH—
100.0%
AS25081HDiT-AS Heidelberg IT Management GmbH & Co.KG—
44.4%

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#

5 CIDRs

🧭 Nameservers in this AS#

1 host
HostnameDomains
dns009.arvato-systems.de 21

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mail.doerner.de 1
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