🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS199803, 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#

Not enough history to chart yet — this series is collected once a day. Check back tomorrow.

🛰️ Upstream providers of AS199803#

via ipbot.dk

ComSource s.r.o. announces 3 prefixes (2 IPv4, 1 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS1299TWELVE99 Arelion Sweden AB
100.0%
AS6939Hurricane Electric LLC
71.8%
AS3356Level 3 Parent, LLC
71.7%
AS8218NEO-ASN Zayo Infrastructure France SA
2.7%
AS1764Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
1.7%
AS14840BR.Digital Telecom
1.4%
AS4455BSO IX Reach Ltd
1.3%
AS22356Durand do Brasil Ltda
0.9%
AS6204ZET-NET INTERKVM HOST SRL
0.7%
AS6663TTI-NET Euroweb Romania S.R.L.
0.6%

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

🔻 Networks using AS199803 as upstream#

6 networks
NetworkNameDomainsPower
AS35592Coolhousing s.r.o.—
100.0%
AS39790Web4U s.r.o.43
30.7%
AS25234ACTIVE 24, s.r.o.24
20.3%
AS29405VNET a.s.52
17.1%
AS51013WEBSUPPORT-SRO-SK-AS WebSupport s.r.o.314
17.1%
AS8778Unknown—
4.5%

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 0 domains matching 199803
🔍
No results found in the database.
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