🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS41230, 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 AS41230#

via ipbot.dk

ASK4 Limited announces 23 prefixes (16 IPv4, 7 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS1299TWELVE99 Arelion Sweden AB
100.0%
AS2914NTT-DATA-2914 - NTT America, Inc.
95.6%
AS6939Hurricane Electric LLC
53.5%
AS6461Zayo Bandwidth
13.9%
AS25091IP-Max SA
11.4%
AS34549meerfarbig GmbH & Co. KG
10.0%
AS13030Init7 (Switzerland) Ltd.
7.8%
AS33891Core-Backbone GmbH
5.6%
AS34927iFog GmbH
5.6%
AS50304Blix Solutions AS
5.6%

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

🔻 Networks using AS41230 as upstream#

1 network
NetworkNameDomainsPower
AS21396NetConnex Broadband Ltd.—
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 41230
🔍
No results found in the database.

🧭 Nameservers in this AS#

6 hosts
HostnameDomains
ns1.ask4.net 2
ns2.ask4.net 2
ns3.ask4.net 2
auth1.dns.ask4.net 1
auth2.dns.ask4.com 1
auth3.dns.ask4.uk 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone