🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS8551, 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
991010102026-07-012026-08-242026-10-18
9 latest-1 over 110 days

Active .dk domains whose website address (A record) is announced by AS8551, counted once a day.

🌐 AS8551 at a glance#

Bezeq International Ltd.

AS8551 is announced by Bezeq International Ltd. (Israel) and currently hosts 9 .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 1 IPv4 CIDR block covering roughly 2 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 1 distinct mail exchanger serving .dk domains currently resolve to addresses announced by this AS.

On the security side, 1 of the domains hosted here (11.1%) 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 AS8551#

via ipbot.dk

Bezeq International Ltd. announces 857 prefixes (752 IPv4, 105 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS1299TWELVE99 Arelion Sweden AB
48.0%
AS174Cogent Communications, LLC
29.4%
AS3356Level 3 Parent, LLC
28.7%
AS6453TATA COMMUNICATIONS AMERICA INC
22.0%
AS3257GTT-BACKBONE GTT Communications Inc.
19.7%
AS9002RETN Limited
5.9%
AS35280F5 F5 Networks SARL
3.6%
AS13030Init7 (Switzerland) Ltd.
2.6%
AS34019Hivane Association
2.3%

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

🔻 Networks using AS8551 as upstream#

9 networks
NetworkNameDomainsPower
AS202940ITC NG ltd—
100.0%
AS61102Interhost Communication Solutions Ltd.—
72.2%
AS42013Together Communication LTD—
29.7%
AS44709CLOUDWEBMANAGE-IL O.M.C. COMPUTERS & COMMUNICATIONS LTD—
20.0%
AS714APPLE-ENGINEERING - Apple Inc.—
17.2%
AS109CISCO SYSTEMS, INC.—
11.4%
AS13684ASN-MEDTRONIC-1 - Medtronic, Incorporated—
4.9%
AS5585IIX-ASN Israel Internet Association—
3.9%
AS12849HOTNET-IL Hot-Net internet services Ltd.—
0.5%

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
62.219.88.0/21 9

🧭 Nameservers in this AS#

2 hosts
HostnameDomains
ns1.dtnt.info 15
ns2.dtnt.info 15

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mail.exlibris.co.il 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone