🌐 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#

108 days
2,9523,0643,1773,2903,4022026-07-012026-08-232026-10-16
3,371 latest+380 over 108 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 3,381 .dk domains in our dataset — 0.26% of all scanned .dk domains. Across all our scans we have observed 172 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: 403 domains (11.9%) 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, 2,218 of the domains hosted here (65.6%) 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 1,822 prefixes (610 IPv4, 1,212 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS21859ZEN-ECN - Zenlayer Inc
100.0%
AS4637ASN-TELSTRA-GLOBAL - Telstra Global
78.1%
AS1299TWELVE99 Arelion Sweden AB
72.0%
AS9583SIFY-AS-IN - Sify Limited
71.7%
AS9002RETN Limited
69.5%
AS2914NTT-DATA-2914 - NTT America, Inc.
65.9%
AS174Cogent Communications, LLC
63.5%
AS3356Level 3 Parent, LLC
62.5%
AS1221ASN-TELSTRA - Telstra Limited
56.8%
AS3257GTT-BACKBONE GTT Communications Inc.
52.9%

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

Found 3,382 domains matching 54113
DomainIPASNISP / OrgCountry
workii.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
worksystemsxmas.dk 151.101.1.195 +1 AS54113 Fastly, Inc. 🇺🇸 United States
workwiz.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
worldline.dk 151.101.131.10 +3 AS54113 Fastly, Inc. 🇺🇸 United States
wormdue.dk 151.101.128.119 +1 AS54113 Fastly, Inc. 🇺🇸 United States
wrh.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
wuguan.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
xcp-protection.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
xipher.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
xlaudio.dk 151.101.130.132 +3 AS54113 Fastly, Inc. 🇺🇸 United States
xmpl.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
xpresspizza.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
xslt.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
yachtdesign.dk 151.101.192.119 AS54113 Fastly, Inc. 🇺🇸 United States
yggdrasil-genome.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
yourfootprint.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
youritsolution.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
youty.dk 151.101.130.132 +3 AS54113 Fastly, Inc. 🇺🇸 United States
yrke.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
yummisushihobro.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
zaulich.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
zefia.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
zehai.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
zenware.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
zheer.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
åndsliv.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
øjeblikketbagglasdøren.dk 151.101.0.119 +1 AS54113 Fastly, Inc. 🇺🇸 United States
øllog.dk 151.101.1.195 +1 AS54113 Fastly, Inc. 🇺🇸 United States
østerbrojagttegn.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
østergaardboligselskab.dk 199.36.158.100 AS54113 Fastly, Inc. 🇺🇸 United States
østervænge.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States
øvasken.dk 185.199.108.153 +3 AS54113 Fastly, Inc. 🇺🇸 United States

📡 Known CIDRs#

17 CIDRs

📮 Mail Exchangers in this AS#

59 hosts, top 50 shown
dhd.dk [/] search Domains, Hosts & DNS — .dk zone