🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS852, 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
112222026-07-012026-08-252026-10-20
2 latest+1 over 112 days

Active .dk domains whose website address (A record) is announced by AS852, counted once a day.

🌐 AS852 at a glance#

TELUS Communications Inc.

AS852 is announced by TELUS Communications Inc. (Canada) and currently hosts 2 .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 66.6 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: no nameservers and 65 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 AS852#

via ipbot.dk

ASN852 - TELUS Communications Inc. announces 714 prefixes (684 IPv4, 30 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS3257GTT-BACKBONE GTT Communications Inc.
83.9%
AS1299TWELVE99 Arelion Sweden AB
77.7%
AS174Cogent Communications, LLC
49.8%
AS6461Zayo Bandwidth
47.1%
AS2914NTT-DATA-2914 - NTT America, Inc.
45.6%
AS3491PCCWG-APAC-HK - PCCW Global (HK) Ltd.
39.3%
AS3320DTAG Deutsche Telekom AG
16.5%
AS8220COLT Technology Services Group Limited
3.7%
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTD
3.2%

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

🔻 Networks using AS852 as upstream#

2 networks
NetworkNameDomainsPower
AS16696iTel Networks Inc—
100.0%
AS29988RCC-RDC-AS - Rogers Communications Canada Inc.—
56.9%

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

📮 Mail Exchangers in this AS#

65 hosts, top 50 shown
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