OSN

Host

109.105.63.51

As of our latest check on 2026-05-31, 109.105.63.51 (O2 Czech Republic, a.s., AS12570, Czechia) had 3 open ports (22, 80, 443) and 26 known CVEs.

Known CVEs on this host

3open ports
0names pointing here
26known CVEs
0known exploited

Open ports and CVEs as of our latest check of this host, 2026-05-31.

CVEs by severity: CRITICAL 1 HIGH 7 MEDIUM 10 LOW 8

A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version. See the list

Not counted: 10 fixed by the distribution (openssh 9.2p1). See them

Network
O2 Czech Republic, a.s. AS12570
Open ports
22, 80, 443 · at our latest check, 2026-05-31
Location
Czechia CZ
Route
109.105.32.0/19 · announced by O2 Czech Republic, a.s. AS12570 RPKI valid
Organisation
itself s.r.o. · Network service provider (transit)
Registry network
CZ-CZNET-20090914 · 109.105.32.0 - 109.105.63.255 · O2 Czech Republic, a.s. · RIPE
Abuse contact
[email protected] · for CZ-CZNET-20090914
First seen
2026-05-31 15:57 UTC
Last seen alive
2026-05-31 15:58 UTC
Hosted domains
No host name points here

Reputation

Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.

Services (3)

22/tcp SSH OpenSSH_9.2p1 26 CVEs first 2026-05-31 · last 2026-05-31
Server
SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u6
Host key
ssh-ed25519 56b93373958fce10…
Raw response 
SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u6
80/tcp HTTP nginx first 2026-05-31 · last 2026-05-31
Status
503 Service Temporarily Unavailable
Title
503 Service Temporarily Unavailable
Server
nginx
Raw response 
HTTP/1.1 503 Service Temporarily Unavailable
Server: nginx
Date: Sun, 31 May 2026 15:57:10 GMT
Content-Type: text/html
Content-Length: 592
Connection: keep-alive

<html>
<head><title>503 Service Temporarily Unavailable</title></head>
<body>
<center><h1>503 Service Temporarily Unavailable</h1></center>
<hr><center>nginx</center>
</body>
</html>
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
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443/tcp TLS first 2026-05-31 · last 2026-05-31
Raw response 
HTTP/1.1 400 Bad Request
Server: nginx
Date: Sun, 31 May 2026 15:57:10 GMT
Content-Type: text/html
Content-Length: 650
Connection: close

<html>
<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>
<body>
<center><h1>400 Bad Request</h1></center>
<center>The plain HTTP request was sent to HTTPS port</center>
<hr><center>nginx</center>
</body>
</html>
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->

Vulnerabilities

Fixed by the distribution (10)

The distribution's security data says the package revision this service shows already has the fix for these CVEs, or that its build is not affected. They are not counted.

CVEs by severity: CRITICAL 2 HIGH 1 MEDIUM 4 LOW 3

CVESoftware
CVE-2023-28531 CRITICAL 9.8 openssh 9.2p1 · port 22
CVE-2023-38408 CRITICAL 9.8 openssh 9.2p1 · port 22
CVE-2024-6387 HIGH 8.1 openssh 9.2p1 · port 22
CVE-2025-26465 MEDIUM 6.8 openssh 9.2p1 · port 22
CVE-2023-51385 MEDIUM 6.5 openssh 9.2p1 · port 22
CVE-2023-48795 MEDIUM 5.9 openssh 9.2p1 · port 22
CVE-2023-51384 MEDIUM 5.5 openssh 9.2p1 · port 22
CVE-2025-32728 LOW 3.8 openssh 9.2p1 · port 22
CVE-2026-106588 LOW 3.1 openssh 9.2p1 · port 22
CVE-2026-106589 LOW 2.9 openssh 9.2p1 · port 22

Port history

Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.

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