🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS53243, 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#

108 days
223442026-07-012026-08-232026-10-16
3 latest0 over 108 days

Active .dk domains whose website address (A record) is announced by AS53243, counted once a day.

🌐 AS53243 at a glance#

Brasil Site Informatica LTDA

AS53243 is announced by Brasil Site Informatica LTDA (Brazil) and currently hosts 3 .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 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 3 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 AS53243#

via ipbot.dk

Brasil Site Informatica LTDA announces 25 prefixes (21 IPv4, 4 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS52925Ascenty Data Centers e Telecomunicacoes S/A
100.0%
AS52863UPX TECNOLOGIA LTDA
85.6%
AS16735ALGAR TELECOM S/A
57.7%
AS22381SAMM TECNOLOGIA E TELECOMUNICACOES S.A
42.2%
AS273478Sage Networks
40.5%
AS3356Level 3 Parent, LLC
35.3%
AS52468UFINET PANAMA S.A.
27.7%
AS6939Hurricane Electric LLC
3.9%
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTD
0.8%
AS6057Administracion Nacional de Telecomunicaciones
0.3%

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

📡 Known CIDRs#

1 CIDR
CIDRDomains
177.53.140.0/22 3

🧭 Nameservers in this AS#

2 hosts

📮 Mail Exchangers in this AS#

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