🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS38880, 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
223332026-07-012026-08-242026-10-17
2 latest0 over 109 days

Active .dk domains whose website address (A record) is announced by AS38880, counted once a day.

🌐 AS38880 at a glance#

Micron21 Datacentre Pty Ltd

AS38880 is announced by Micron21 Datacentre Pty Ltd (Australia) and currently hosts 2 .dk domains 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 512 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 3 distinct mail exchangers serving .dk domains currently resolve to addresses announced by this AS.

On the security side, 2 of the domains hosted here (100.0%) validate as DNSSEC-secure — well above 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 AS38880#

via ipbot.dk

M21-AS-AP - Micron21 Datacentre Pty Ltd announces 74 prefixes (63 IPv4, 11 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS9002RETN Limited
80.8%
AS174Cogent Communications, LLC
54.0%
AS1299TWELVE99 Arelion Sweden AB
50.0%
AS2914NTT-DATA-2914 - NTT America, Inc.
40.4%
AS3257GTT-BACKBONE GTT Communications Inc.
33.6%
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.
31.6%
AS2764AAPT Limited
11.9%
AS34549meerfarbig GmbH & Co. KG
8.5%
AS13030Init7 (Switzerland) Ltd.
7.9%

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

🔻 Networks using AS38880 as upstream#

1 network
NetworkNameDomainsPower
AS133104INSTRACORPORATION-AS-AP - Instra Corporation Pty Ltd—
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#

1 CIDR
CIDRDomains
103.37.8.0/23 2

📮 Mail Exchangers in this AS#

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