🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS63023, 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
223442026-07-012026-08-262026-10-21
3 latest-1 over 113 days

Active .dk domains whose website address (A record) is announced by AS63023, counted once a day.

🌐 AS63023 at a glance#

GTHost

AS63023 is announced by GTHost (The Netherlands) and currently hosts 3 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 4 unique IPv4 addresses on this network, and the domains currently sit in 2 IPv4 CIDR blocks covering roughly 768 addresses of IPv4 space.

We have yet to observe any IPv6 (AAAA) hosting on this AS.

We have not observed any nameservers or mail exchangers for .dk domains on this AS — the domains hosted here run their DNS and mail from other networks.

On the security side, 1 of the domains hosted here (33.3%) 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 AS63023#

via ipbot.dk

AS-GLOBALTELEHOST - GTHost announces 370 prefixes (339 IPv4, 31 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS174Cogent Communications, LLC
100.0%
AS6461Zayo Bandwidth
71.4%
AS3257GTT-BACKBONE GTT Communications Inc.
63.0%
AS6939Hurricane Electric LLC
24.1%
AS35280F5 F5 Networks SARL
2.6%
AS34019Hivane Association
2.5%
AS5405INTERDOTLINK Inter.link GmbH
2.4%
AS50629LWLcom GmbH
1.9%
AS25091IP-Max SA
1.9%
AS39351ESAB-AS 31173 Services AB
1.9%

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

🔻 Networks using AS63023 as upstream#

2 networks
NetworkNameDomainsPower
AS26383ASNET - Baxet Group Inc.—
100.0%
AS203391CLOUDNSNET Cloud DNS Ltd—
5.4%

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.

📡 Known CIDRs#

2 CIDRs
dhd.dk [/] search Domains, Hosts & DNS — .dk zone