🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS12703, 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#

110 days
889992026-07-012026-08-242026-10-18
8 latest-1 over 110 days

Active .dk domains whose website address (A record) is announced by AS12703, counted once a day.

🌐 AS12703 at a glance#

Pulsant (Scotland) Ltd

AS12703 is announced by Pulsant (Scotland) Ltd (United Kingdom) and currently hosts 8 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 8 unique IPv4 addresses on this network, and the domains currently sit in 5 IPv4 CIDR blocks covering roughly 47.1 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: 2 distinct nameservers and 2 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 AS12703#

via ipbot.dk

Pulsant (Scotland) Ltd announces 67 prefixes (60 IPv4, 7 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6461Zayo Bandwidth
100.0%
AS3257GTT-BACKBONE GTT Communications Inc.
76.8%
AS6939Hurricane Electric LLC
37.8%
AS174Cogent Communications, LLC
11.5%
AS34549meerfarbig GmbH & Co. KG
4.4%
AS25091IP-Max SA
4.1%
AS5405INTERDOTLINK Inter.link GmbH
3.4%
AS9002RETN Limited
3.4%
AS8298IPng Networks GmbH
2.7%
AS34927iFog GmbH
2.7%

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

🔻 Networks using AS12703 as upstream#

4 networks
NetworkNameDomainsPower
AS201471Bigstep Cloud Limited—
100.0%
AS8161Insight Direct USA, Inc.—
70.3%
AS20712Andrews & Arnold Ltd—
68.0%
AS42689Glide Student & Residential Limited—
57.0%

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#

5 CIDRs

🧭 Nameservers in this AS#

2 hosts
HostnameDomains
ns4.weuk.net 1
ns.wealdnet.co.uk 1

📮 Mail Exchangers in this AS#

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