🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS12387, 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#

Not enough history to chart yet — this series is collected once a day. Check back tomorrow.

🛰️ Upstream providers of AS12387#

via ipbot.dk

TON Total optical Networks AG announces 5 prefixes (4 IPv4, 1 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS33891Core-Backbone GmbH
84.0%
AS4455BSO IX Reach Ltd
78.9%
AS9002RETN Limited
54.9%
AS23764CTGNet
19.6%
AS6730Sunrise GmbH
10.4%
AS34549meerfarbig GmbH & Co. KG
5.4%
AS34019Hivane Association
3.5%
AS6057Administracion Nacional de Telecomunicaciones
3.5%
AS34927iFog GmbH
3.5%

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

🔻 Networks using AS12387 as upstream#

1 network
NetworkNameDomainsPower
AS208065Unknown—
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.

Found 0 domains matching 12387
🔍
No results found in the database.
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