🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS53755, 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
46911132026-07-012026-08-262026-10-21
5 latest-7 over 113 days

Active .dk domains whose website address (A record) is announced by AS53755, counted once a day.

🌐 AS53755 at a glance#

Input Output Flood LLC

AS53755 is announced by Input Output Flood LLC (United States) and currently hosts 5 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 11 unique IPv4 addresses on this network, and the domains currently sit in 4 IPv4 CIDR blocks covering roughly 41 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, 2 of the domains hosted here (40.0%) 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 AS53755#

via ipbot.dk

IOFLOOD - Input Output Flood LLC announces 176 prefixes (173 IPv4, 3 IPv6) and reaches the internet through 8 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS174Cogent Communications, LLC
23.7%
AS6453TATA COMMUNICATIONS (AMERICA) INC
17.0%
AS3257GTT-BACKBONE GTT Communications Inc.
16.2%
AS143151GSERVERS, LLC
12.9%
AS286KPN GTT Communications Inc.
0.2%
AS1239Cogent Communications, LLC
0.1%
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTD
0.1%

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

📡 Known CIDRs#

4 CIDRs

🧭 Nameservers in this AS#

2 hosts

📮 Mail Exchangers in this AS#

3 hosts
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