OSN

Host

158.194.85.138

As of our latest check on 2026-06-03, 158.194.85.138 (CESNET z.s.p.o., AS2852, Czechia) had 1 open port (80) and 67 known CVEs, 1 known to be exploited.

Known CVEs on this host

1open port
0names pointing here
67known CVEs
1known exploited

Open ports and CVEs as of our latest check of this host, 2026-06-03.

CVEs by severity: CRITICAL 11 HIGH 40 MEDIUM 15 LOW 1

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

Network
CESNET z.s.p.o. AS2852
Open ports
80 · at our latest check, 2026-06-03
Location
Czechia CZ
Hostname
adr85-138.optol.cz · reverse DNS, checked 2026-10-05
Route
158.194.0.0/16 · announced by CESNET z.s.p.o. AS2852 RPKI valid
Organisation
CESNET · Educational/Research
Registry network
UPOL-TCZ · 158.194.0.0 - 158.194.255.255 · Univerzita Palackeho v Olomouci · ARIN
Abuse contact
[email protected] · for UPOL-TCZ
First seen
2026-06-03 04:49 UTC
Last seen alive
2026-06-03 04:50 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 (1)

80/tcp HTTP Apache/2.4.58 (Win64) 67 CVEs first 2026-06-03 · last 2026-06-03
Status
200 OK
Title
Vladyslav C. Usenko
Server
Apache/2.4.58 (Win64)
Raw response 
HTTP/1.1 200 OK
Date: Wed, 03 Jun 2026 04:49:49 GMT
Server: Apache/2.4.58 (Win64)
Last-Modified: Mon, 13 Jun 2022 08:06:44 GMT
ETag: "442-5e14fc4d44568"
Accept-Ranges: bytes
Content-Length: 1090
Content-Type: text/html

<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="mystyle.css">
<style type="text/css">.disclaimer { display: none; }</style>
<title>Vladyslav C. Usenko</title>
  <meta charset="UTF-8">
  <meta name="description" content="Vladyslav C. Usenko personal web-page">
  <meta name="keywords" content="Vladyslav, Usenko, Olomouc, Palacky University, Quantum, QKD">
  <meta name="author" content="Vladyslav C. Usenko">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Vladyslav Usenko</title>
</head>
<body>

<iframe src="menu.html" style="border:none;height:calc(100vh - 50px);width:180px;" name="menu" align="top" marginwidth="0"></iframe>
<iframe src="main.html" style="border:none;height:c

Vulnerabilities

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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