🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS13649, 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#

109 days
334552026-07-012026-08-242026-10-17
4 latest0 over 109 days

Active .dk domains whose website address (A record) is announced by AS13649, counted once a day.

🌐 AS13649 at a glance#

Flexential Colorado Corp.

AS13649 is announced by Flexential Colorado Corp. (United States) and currently hosts 4 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 2 unique IPv4 addresses on this network, and the domains currently sit in 2 IPv4 CIDR blocks covering roughly 6.1 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 3 distinct 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 AS13649#

via ipbot.dk

ASN-FLEXENTIAL - Flexential Colorado Corp. announces 592 prefixes (570 IPv4, 22 IPv6) and reaches the internet through 6 upstream networks.

UpstreamNamePower
AS3356Level 3 Parent, LLC
100.0%
AS3257GTT-BACKBONE GTT Communications Inc.
79.3%
AS7922Comcast Cable Communications, LLC
16.9%
AS13335CLOUDFLARENET - Cloudflare, Inc.
1.3%
AS286KPN GTT Communications Inc.
0.8%
AS20284INETUASN1 - Flexential iNETu Corp.
0.3%

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

🔻 Networks using AS13649 as upstream#

1 network
NetworkNameDomainsPower
AS397353TDY-US1-DC - Teledyne Technologies Incorporated—
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.

📡 Known CIDRs#

2 CIDRs

🧭 Nameservers in this AS#

1 host
HostnameDomains
master.indomco.com 1

📮 Mail Exchangers in this AS#

3 hosts
dhd.dk [/] search Domains, Hosts & DNS — .dk zone