🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS199508, 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#

53 days
112222026-08-262026-09-212026-10-17
1 latest0 over 53 days

Active .dk domains whose website address (A record) is announced by AS199508, counted once a day.

🌐 AS199508 at a glance#

S1 Networks Oy

AS199508 is announced by S1 Networks Oy (Finland) 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 2 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, 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 AS199508#

via ipbot.dk

S1 Networks Oy announces 17 prefixes (14 IPv4, 3 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS47605FNE-Finland Oy
100.0%
AS1299TWELVE99 Arelion Sweden AB
45.4%
AS6939Hurricane Electric LLC
8.0%
AS5405INTERDOTLINK Inter.link GmbH
2.8%
AS35280F5 F5 Networks SARL
2.0%
AS20764RASCOM-AS CJSC RASCOM
1.8%
AS25091IP-Max SA
1.1%
AS50304Blix Solutions AS
1.0%
AS4455BSO IX Reach Ltd
0.7%
AS39351ESAB-AS 31173 Services AB
0.7%

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

🔻 Networks using AS199508 as upstream#

1 network
NetworkNameDomainsPower
AS45010Megatuutti S1 Networks Oy—
100.0%

Among the networks we hold ipbot.dk routing data for (the ones looked up on this site), so this is a sample of the AS's customers, not all of them.

Found 1 domain matching 199508
DomainIPASNISP / OrgCountry
ruoto.dk 91.90.50.101 AS199508 S1 Networks Oy 🇫🇮 Finland

📡 Known CIDRs#

1 CIDR
CIDRDomains
91.90.48.0/21 1

🧭 Nameservers in this AS#

1 host
HostnameDomains
ns2.helppi.net 6
dhd.dk [/] search Domains, Hosts & DNS — .dk zone