🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS51717, 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 AS51717, counted once a day.

🌐 AS51717 at a glance#

MUCHA Pawel Mucha, Marcin Mucha SC

AS51717 is announced by MUCHA Pawel Mucha, Marcin Mucha SC (Poland) 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 1 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 1 distinct mail exchanger 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 AS51717#

via ipbot.dk

MUCHA Pawel Mucha, Marcin Mucha SC announces 3 prefixes (3 IPv4, 0 IPv6) and reaches the internet through 2 upstream networks.

UpstreamNamePower
AS12741AS-NETIA Netia SA
100.0%
AS12912TMPL T-Mobile Polska S.A.
16.9%

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

Found 1 domain matching 51717
DomainIPASNISP / OrgCountry
ibombo.dk 91.219.210.142 AS51717 MUCHA Pawel Mucha, Marcin Mucha SC 🇵🇱 Poland

📡 Known CIDRs#

1 CIDR
CIDRDomains
91.219.208.0/22 1

🧭 Nameservers in this AS#

2 hosts
HostnameDomains
ns2.ehost.pl 3
dns.hostings.pl 1

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mail.ibombo.dk 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone