🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS33657, 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 AS33657#

via ipbot.dk

CMCS - Comcast Cable Communications, LLC announces 274 prefixes (29 IPv4, 245 IPv6) and reaches the internet through 2 upstream networks.

UpstreamNamePower
AS7922Comcast Cable Communications, LLC
100.0%
AS3356Level 3 Parent, LLC
39.7%

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

🔻 Networks using AS33657 as upstream#

2 networks
NetworkNameDomainsPower
AS19574CSC - Corporation Service Company4,069
100.0%
AS13628CENCORA-INTERNET - AMERISOURCEBERGEN—
24.4%

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 33657
🔍
No results found in the database.
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