🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS197690, 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
445662026-07-012026-08-242026-10-17
5 latest0 over 109 days

Active .dk domains whose website address (A record) is announced by AS197690, counted once a day.

🌐 AS197690 at a glance#

CBlue SPRL

AS197690 is announced by CBlue SPRL (Belgium) and currently hosts 5 .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 2 IPv4 CIDR blocks covering roughly 1.3 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: 1 distinct nameserver and 4 distinct mail exchangers 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 AS197690#

via ipbot.dk

CBlue SPRL announces 8 prefixes (5 IPv4, 3 IPv6) and reaches the internet through 3 upstream networks.

UpstreamNamePower
AS1299TWELVE99 Arelion Sweden AB
100.0%
AS3257GTT-BACKBONE GTT Communications Inc.
30.2%
AS286KPN GTT Communications Inc.
0.3%

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

📡 Known CIDRs#

2 CIDRs

🧭 Nameservers in this AS#

1 host
HostnameDomains
dns2.e-net-b.net 4

📮 Mail Exchangers in this AS#

4 hosts
dhd.dk [/] search Domains, Hosts & DNS — .dk zone