🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS199524, 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
6 latest+1 over 109 days

Active .dk domains whose website address (A record) is announced by AS199524, counted once a day.

🌐 AS199524 at a glance#

G-Core Labs S.A.

AS199524 is announced by G-Core Labs S.A. (The Netherlands) and currently hosts 6 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 5 unique IPv4 addresses on this network, and the domains currently sit in 4 IPv4 CIDR blocks covering roughly 3.3 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: 9 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 (50.0%) 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 AS199524#

via ipbot.dk

G-Core Labs S.A. announces 592 prefixes (455 IPv4, 137 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS1299TWELVE99 Arelion Sweden AB
100.0%
AS3356Level 3 Parent, LLC
82.7%
AS174Cogent Communications, LLC
67.3%
AS37100SEACOM Limited
56.3%
AS3491PCCWG-APAC-HK - PCCW Global (HK) Ltd.
55.4%
AS6939Hurricane Electric LLC
45.3%
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.
33.9%
AS6453TATA COMMUNICATIONS (AMERICA) INC
24.2%
AS3257GTT-BACKBONE GTT Communications Inc.
22.5%
AS12956TELXIUS TELEFONICA GLOBAL SOLUTIONS SL
22.1%

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

🔻 Networks using AS199524 as upstream#

14 networks
NetworkNameDomainsPower
AS1299TWELVE99 Arelion Sweden AB41
100.0%
AS58453CMI-INT-HK - China Mobile International Limited—
8.3%
AS50124EASIO-COM SASU—
0.7%
AS215114PLB-NET Stevan Durand--L'Hours t/a SLBCLOUD—
0.6%
AS51191XIRRA Core-Backbone GmbH156
0.4%
AS141968IDNIC-IKADA-AS-ID - PT Industri Kreatif Digital—
0.4%
AS209510NAMESHIELDGRP NAMESHIELD SAS127
0.3%
AS62371Proton AG—
0.3%
AS393960Host4Geeks LLC57
0.3%
AS56106ZONENETWORKS-AU - ZONENETWORKS.COM.AU - Hosting Provider AUSTRALIA—
0.3%
AS20783pop-interactive GmbH—
0.3%
AS59659Securus Communications Ltd.—
0.3%
AS212238CDNEXT Datacamp Limited—
0.3%
AS9678HOSTINGINSIDE-INTL HostingInside LTD—
0.1%

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#

4 CIDRs

🧭 Nameservers in this AS#

9 hosts

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mailbox.wargaming.net 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone