🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS397681, 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#

110 days
112222026-07-012026-08-242026-10-18
2 latest+1 over 110 days

Active .dk domains whose website address (A record) is announced by AS397681, counted once a day.

🌐 AS397681 at a glance#

CGI Inc.

AS397681 is announced by CGI Inc. (Canada) and currently hosts 2 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 1 unique IPv4 address on this network, and the domains currently sit in 1 IPv4 CIDR block covering roughly 256 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: 2 distinct nameservers and no mail exchangers serving .dk domains currently resolve to addresses announced by this AS.

On the security side, 2 of the domains hosted here (100.0%) 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 AS397681#

via ipbot.dk

CGINAA - CGI Inc. announces 3 prefixes (3 IPv4, 0 IPv6) and reaches the internet through 1 upstream network.

UpstreamNamePower
AS18563CGINET-01 - CGI Inc.
100.0%

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

Found 2 domains matching 397681
DomainIPASNISP / OrgCountry
as2007.dk 198.168.2.100 AS397681 CGI Inc. 🇨🇦 Canada
cgi.dk 198.168.2.100 AS397681 CGI Inc. 🇨🇦 Canada

📡 Known CIDRs#

1 CIDR
CIDRDomains
198.168.2.0/24 2

🧭 Nameservers in this AS#

2 hosts
HostnameDomains
ns.cgi.ca 19
ns.cgi.com 19
dhd.dk [/] search Domains, Hosts & DNS — .dk zone