🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS5391, 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
011222026-07-012026-08-242026-10-18
1 latest0 over 110 days

Active .dk domains whose website address (A record) is announced by AS5391, counted once a day.

🌐 AS5391 at a glance#

Hrvatski Telekom d.d.

AS5391 is announced by Hrvatski Telekom d.d. (Croatia) and currently hosts 1 .dk domain 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 16.4 thousand 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, 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 AS5391#

via ipbot.dk

T-HT Hrvatski Telekom d.d. announces 49 prefixes (47 IPv4, 2 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS9002RETN Limited
58.8%
AS174Cogent Communications, LLC
45.9%
AS1299TWELVE99 Arelion Sweden AB
37.0%
AS3356Level 3 Parent, LLC
29.4%
AS3320DTAG Deutsche Telekom AG
22.2%
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.
18.7%
AS34362Terrakom d.o.o.
3.7%
AS205714tele2hr Telemach Hrvatska d.o.o.
2.6%
AS9009M247 M247 Europe SRL
0.4%

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

🔻 Networks using AS5391 as upstream#

3 networks
NetworkNameDomainsPower
AS8585INTERNET-CG Crnogorski Telekom a.d.Podgorica—
100.0%
AS13046ASN-ISKON Hrvatski Telekom d.d.—
79.8%
AS35225Hrvatske ceste—
2.1%

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.

Found 1 domain matching 5391
DomainIPASNISP / OrgCountry
eulerhermes-collections.dk 195.29.52.241 AS5391 Hrvatski Telekom d.d. 🇭🇷 Croatia

📡 Known CIDRs#

1 CIDR
CIDRDomains
195.29.0.0/18 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone