🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS51790, 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
112222026-07-012026-08-242026-10-17
1 latest0 over 109 days

Active .dk domains whose website address (A record) is announced by AS51790, counted once a day.

🌐 AS51790 at a glance#

SIEL, d.o.o.

AS51790 is announced by SIEL, d.o.o. (Slovenia) and currently hosts 1 .dk domain 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 1 IPv4 CIDR block covering roughly 2 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: 2 distinct nameservers and no 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 AS51790#

via ipbot.dk

SIEL, d.o.o. announces 26 prefixes (22 IPv4, 4 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS3212Telemach Slovenija d.o.o.
30.3%
AS3223Voxility LLP
23.5%
AS36236NetActuate, Inc
21.1%
AS44306OMONIA d.o.o.
11.4%
AS3356Level 3 Parent, LLC
10.9%
AS174Cogent Communications, LLC
6.5%
AS5511Opentransit Orange S.A.
2.5%
AS3303Swisscom (Schweiz) AG
0.8%
AS14840BR.Digital Telecom
0.2%

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

Found 1 domain matching 51790
DomainIPASNISP / OrgCountry
play123.dk 46.19.8.140 AS51790 SIEL, d.o.o. 🇸🇮 Slovenia

📡 Known CIDRs#

1 CIDR
CIDRDomains
46.19.8.0/21 1

🧭 Nameservers in this AS#

2 hosts
HostnameDomains
x1.si 2
x2.si 2
dhd.dk [/] search Domains, Hosts & DNS — .dk zone