OSN

Host

212.73.151.1

Tags: Expired certificate

As of our latest check on 2026-06-07, 212.73.151.1 (SKAT POPOVO Ltd., AS57634, Bulgaria) had 3 open ports (22, 80, 443) and 71 known CVEs, 3 known to be exploited.

Known CVEs on this host

3open ports
0names pointing here
71known CVEs
3known exploited

Open ports and CVEs as of our latest check of this host, 2026-06-07.

CVEs by severity: CRITICAL 8 HIGH 22 MEDIUM 29 LOW 12

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: 3 only affect a particular platform; this host's is not known (php 8.1.15, openssh 9.2). See them

Network
SKAT POPOVO Ltd. AS57634
Open ports
22, 80, 443 · at our latest check, 2026-06-07
Location
Bulgaria BG
Route
212.73.151.0/24 · announced by SKAT POPOVO Ltd. AS57634 RPKI valid
Organisation
SKAT POPOVO Ltd.
Registry network
BG-NETERRAIP-20041119 · 212.73.151.0 - 212.73.151.255 · Neterra Ltd. · RIPE
Abuse contact
[email protected] · for BG-NETERRAIP-20041119
First seen
2026-06-07 09:52 UTC
Last seen alive
2026-06-07 09:53 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_9.2 36 CVEs first 2026-06-07 · last 2026-06-07
Server
SSH-2.0-OpenSSH_9.2
Host key
ssh-ed25519 4ee454af0d64409c…
Raw response 
SSH-2.0-OpenSSH_9.2
80/tcp HTTP nginx/1.22.1 35 CVEs first 2026-06-07 · last 2026-06-07
Status
308 Permanent Redirect
Server
nginx/1.22.1
Powered by
PHP/8.1.15
Raw response 
HTTP/1.1 308 Permanent Redirect
Server: nginx/1.22.1
Date: Sun, 07 Jun 2026 09:52:28 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
X-Powered-By: PHP/8.1.15
location: https://212.73.151.1/
Strict-Transport-Security: max-age=31536000; includeSubDomains
Alternate-Protocol: 443:npn-spdy/2

0
443/tcp TLS first 2026-06-07 · last 2026-06-07
TLS
TLSv1.2
Certificate for
ipacct.skattelecom.com
Issued by
Let's Encrypt Authority X3
Valid
2019-07-10 → 2019-10-08
Raw response 
HTTP/1.1 400 Bad Request
Server: nginx/1.22.1
Date: Sun, 07 Jun 2026 09:52:28 GMT
Content-Type: text/html
Content-Length: 657
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/1.22.1</center>
</body>
</html>
<!-- a padding to disable MSIE and Chrome friendly error page -->
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<!-- a padding to disable MSIE and Chrome friendly error page -->
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Vulnerabilities

Only affects certain platforms (3)

These CVEs only apply when the software runs on a particular platform (for example Windows), and this host's platform is not known. They are not counted. 1 of them is known to be exploited.

CVEs by severity: CRITICAL 2 HIGH 1

CVESoftware
CVE-2024-4577 CRITICAL 9.8 known exploited php 8.1.15 · port 80
CVE-2024-3566 CRITICAL 9.8 php 8.1.15 · port 80
CVE-2026-123158 HIGH 8.1 openssh 9.2 · 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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