🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS54113, 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#

120 days
2,9473,0763,2063,3353,4642026-07-012026-08-292026-10-28
3,428 latest+437 over 120 days

Active .dk domains whose website address (A record) is announced by AS54113, counted once a day.

🌐 AS54113 at a glance#

Fastly, Inc.

AS54113 is announced by Fastly, Inc. (United States) and currently hosts 3,428 .dk domains in our dataset — 0.26% of all scanned .dk domains. Across all our scans we have observed 176 unique IPv4 addresses on this network, and the domains currently sit in 11 IPv4 CIDR blocks covering roughly 203.3 thousand addresses of IPv4 space.

IPv6 is live here too: 411 domains (12.0%) publish AAAA records from this AS, resolving to 80 unique IPv6 addresses across 6 prefixes (about 4.3 billion /64 networks of space).

The network is part of the .dk zone's infrastructure too: no nameservers and 59 distinct mail exchangers serving .dk domains currently resolve to addresses announced by this AS.

On the security side, 2,253 of the domains hosted here (65.7%) 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 AS54113#

via ipbot.dk

Fastly, Inc. announces 1,808 prefixes (605 IPv4, 1,203 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS21859ZEN-ECN - Zenlayer Inc
100.0%
AS4637ASN-TELSTRA-GLOBAL - Telstra Global
73.7%
AS1299TWELVE99 Arelion Sweden AB
71.5%
AS9583SIFY-AS-IN - Sify Limited
70.4%
AS9002RETN Limited
65.0%
AS2914NTT-DATA-2914 - NTT America, Inc.
61.7%
AS3356Level 3 Parent, LLC
61.3%
AS174Cogent Communications, LLC
56.9%
AS1221ASN-TELSTRA - Telstra Limited
55.7%
AS55836Reliance Jio Infocomm Limited
52.4%

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

Found 3,428 domains matching 54113
DomainIPASNISP / OrgCountry
citysec.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
civvox.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
ckjensen.dk 151.101.0.119 +1 AS54113 Fastly, Inc. 🇺🇸 United States
clarion.dk 151.101.1.91 +3 AS54113 Fastly, Inc. 🇺🇸 United States
clarioncollection.dk 151.101.1.91 +3 AS54113 Fastly, Inc. 🇺🇸 United States
clarionhotel.dk 151.101.1.91 +3 AS54113 Fastly, Inc. 🇺🇸 United States
clarionhotelkastrup.dk 151.101.1.91 +3 AS54113 Fastly, Inc. 🇺🇸 United States
clarionhotelkopenhavn.dk 151.101.1.91 +3 AS54113 Fastly, Inc. 🇺🇸 United States
clarionhotelthehub.dk 151.101.1.91 +3 AS54113 Fastly, Inc. 🇺🇸 United States
class-co.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
cleanaf.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
cleanandcleargroup.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
cleanclub.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
clementin.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
clevertrack.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
cliarly.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
clickme.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
cliclac.dk 151.101.0.119 +1 AS54113 Fastly, Inc. 🇺🇸 United States
clineo.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
clinicops.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
clipperinterall.dk 151.101.1.124 +3 AS54113 Fastly, Inc. 🇺🇸 United States
clojure.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
clout.dk 151.101.1.195 +1 AS54113 Fastly, Inc. 🇺🇸 United States
cmcreatives.dk 151.101.0.119 +1 AS54113 Fastly, Inc. 🇺🇸 United States
cmoesgaard.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
co2plus.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
cocode.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
cocofoto.dk 151.101.128.119 +1 AS54113 Fastly, Inc. 🇺🇸 United States
codedaniel.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
codeflow.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
codeninja.dk 185.199.108.153 AS54113 Fastly, Inc. 🇺🇸 United States
codetrail.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
codicem.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
coffandro.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
cognitivefit.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
cognizant.dk 151.101.131.10 +3 AS54113 Fastly, Inc. 🇺🇸 United States
coinfactory.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
collectiveaction.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
collicare.dk 151.101.131.52 +3 AS54113 Fastly, Inc. 🇺🇸 United States
colonycounter.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
colorblindfilms.dk 151.101.128.119 +2 AS54113 Fastly, Inc. 🇺🇸 United States
colruytgroup.dk 151.101.207.52 AS54113 Fastly, Inc. 🇳🇱 The Netherlands
columbusdamm.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
comforthotelkastrup.dk 151.101.1.91 +3 AS54113 Fastly, Inc. 🇺🇸 United States
comforthotelkopenhavn.dk 151.101.1.91 +3 AS54113 Fastly, Inc. 🇺🇸 United States
complia.dk 151.101.1.195 +1 AS54113 Fastly, Inc. 🇺🇸 United States
comtechconsulting.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
conjugo.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
consults.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
containerchain.dk 23.185.0.2 AS54113 Fastly, Inc. 🇺🇸 United States

📡 Known CIDRs#

17 CIDRs

📮 Mail Exchangers in this AS#

59 hosts, top 50 shown
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