🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS12735, 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
011222026-07-012026-08-242026-10-17
1 latest0 over 109 days

Active .dk domains whose website address (A record) is announced by AS12735, counted once a day.

🌐 AS12735 at a glance#

TurkNet Iletisim Hizmetleri A.S.

AS12735 is announced by TurkNet Iletisim Hizmetleri A.S. (Türkiye) and currently hosts 1 .dk domain 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 1 distinct mail exchanger 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 AS12735#

via ipbot.dk

ASTurkNet TurkNet Iletisim Hizmetleri A.S. announces 1,070 prefixes (596 IPv4, 474 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS60707Kapteyan Bilisim Teknolojileri Sanayi ve Ticaret A.S
100.0%
AS57463NetIX Communications JSC
17.0%
AS9002RETN Limited
13.6%
AS3257GTT-BACKBONE GTT Communications Inc.
11.6%
AS6939Hurricane Electric LLC
6.7%
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.
5.2%
AS9121TTNet Turk Telekomunikasyon Anonim Sirketi
1.3%
AS34224Neterra Ltd.
1.0%
AS50263IXP-1-IX-EU A-Systems Sp. z o.o.
0.8%
AS34019Hivane Association
0.7%

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

🔻 Networks using AS12735 as upstream#

14 networks
NetworkNameDomainsPower
AS9121TTNet Turk Telekomunikasyon Anonim Sirketi—
100.0%
AS43391NETDIREKT BILISIM DANISMANLIK ILETISIM HIZMETLERI SANAYI VE TICARET AS—
11.3%
AS60707Kapteyan Bilisim Teknolojileri Sanayi ve Ticaret A.S—
9.3%
AS208594Netbone Telekomunikasyon A.S.—
5.6%
AS48737DoraTelekom Dorabase Veri Merkezi Hizmetleri A.S.—
3.1%
AS51559Netinternet Bilisim Teknolojileri AS—
2.8%
AS34619CIZGI TELEKOMUNIKASYON ANONIM SIRKETI—
1.8%
AS34828Domainhizmetleri-Com DH Bulut Bilisim Anonim Sirketi—
0.9%
AS50877Airbeam S.r.l.—
0.8%
AS209853Veridyen Bilisim Teknolojileri Sanayi ve Ticaret Limited Sirketi—
0.6%
AS42216Netviser Bilisim Teknolojileri San. Ve Tic. Ltd. Sti.—
0.2%
AS56584INTER-IX InterEdge B.V.—
0.0%
AS51095E1-EMEA EdgeUno, Inc.—
0.0%
AS60446Datema Bilisim Ticaret Anonim Sirketi—
0.0%

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.

Found 1 domain matching 12735
DomainIPASNISP / OrgCountry
durubulgur.dk 37.77.28.46 AS12735 TurkNet Iletisim Hizmetleri A.S. 🇹🇷 Türkiye

📡 Known CIDRs#

1 CIDR
CIDRDomains
37.77.28.0/23 1

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mx.uzmanposta.com 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone