🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS58138, 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#

113 days
334552026-07-012026-08-262026-10-21
4 latest0 over 113 days

Active .dk domains whose website address (A record) is announced by AS58138, counted once a day.

🌐 AS58138 at a glance#

Korton Computer Communication (KCC) B.V.

AS58138 is announced by Korton Computer Communication (KCC) B.V. (The Netherlands) and currently hosts 4 .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 1 IPv4 CIDR block covering roughly 512 addresses of IPv4 space.

IPv6 is live here too: 2 domains (50.0%) publish AAAA records from this AS, resolving to 1 unique IPv6 address across 1 prefix (about 34.4 billion /64 networks of space).

The network is part of the .dk zone's infrastructure too: 4 distinct nameservers 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 AS58138#

via ipbot.dk

KORTON_INTERNET Korton Computer Communication (KCC) B.V. announces 5 prefixes (4 IPv4, 1 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS8455atom86 BV
100.0%
AS174Cogent Communications, LLC
60.4%
AS6939Hurricane Electric LLC
11.0%
AS8298IPng Networks GmbH
3.0%
AS35280F5 F5 Networks SARL
2.4%
AS5405INTERDOTLINK Inter.link GmbH
2.4%
AS6777AMS-IX-RS Amsterdam Internet Exchange B.V.
2.4%
AS20485TRANSTELECOM Joint Stock Company TransTeleCom
1.8%
AS25091IP-Max SA
1.8%
AS37468Angola Cables
1.8%

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

📡 Known CIDRs#

2 CIDRs

🧭 Nameservers in this AS#

4 hosts

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
email.intakt.com 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone