🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS53479, 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
445662026-07-012026-08-262026-10-21
5 latest0 over 113 days

Active .dk domains whose website address (A record) is announced by AS53479, counted once a day.

🌐 AS53479 at a glance#

HOSTUPON INC.

AS53479 is announced by HOSTUPON INC. (Canada) and currently hosts 5 .dk domains 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 512 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 5 distinct 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 AS53479#

via ipbot.dk

AS-HOSTUPON - HOSTUPON INC. announces 1 prefixes (1 IPv4, 0 IPv6) and reaches the internet through 1 upstream network.

UpstreamNamePower
AS174Cogent Communications, LLC
100.0%

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

📡 Known CIDRs#

1 CIDR
CIDRDomains
192.81.168.0/23 5

🧭 Nameservers in this AS#

2 hosts

📮 Mail Exchangers in this AS#

5 hosts
dhd.dk [/] search Domains, Hosts & DNS — .dk zone