🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS16350, 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#

112 days
011222026-07-012026-08-252026-10-20
1 latest0 over 112 days

Active .dk domains whose website address (A record) is announced by AS16350, counted once a day.

🌐 AS16350 at a glance#

Root Holding B.V.

AS16350 is announced by Root Holding B.V. (The Netherlands) and currently hosts 1 .dk domain 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 4.1 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: 1 distinct nameserver and no mail exchangers serving .dk domains currently resolve to addresses announced by this AS.

On the security side, 1 of the domains hosted here (100.0%) validate as DNSSEC-secure — well above 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 AS16350#

via ipbot.dk

ECHELON-AS Root Holding B.V. announces 3 prefixes (2 IPv4, 1 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS20562OPEN-PEERING-AS Broadband Hosting B.V.
100.0%
AS20847Previder B.V.
85.1%
AS6939Hurricane Electric LLC
33.1%
AS174Cogent Communications, LLC
32.5%
AS20485TRANSTELECOM Joint Stock Company TransTeleCom
2.6%
AS25091IP-Max SA
1.9%
AS29632NASSIST-AS Netassist International EOOD
1.9%
AS37100SEACOM Limited
1.9%
AS37468Angola Cables
1.9%
AS8218NEO-ASN Zayo Infrastructure France SA
1.3%

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

Found 1 domain matching 16350
DomainIPASNISP / OrgCountry
flowrs.dk 217.119.237.54 AS16350 Root Holding B.V. 🇳🇱 The Netherlands

📡 Known CIDRs#

1 CIDR
CIDRDomains
217.119.224.0/20 1

🧭 Nameservers in this AS#

1 host
HostnameDomains
ns.echelon.nl 3
dhd.dk [/] search Domains, Hosts & DNS — .dk zone