As of our latest check on 2026-05-25, 83.212.5.28 (National Infrastructures for Research and Technology S.A., AS5408, Greece) had 2 open ports (80, 443) and 4 known CVEs, 2 known to be exploited.
Known CVEs on this host
2open ports
0names pointing here
4known CVEs
2known exploited
Open ports and CVEs as of our latest check of this host, 2026-05-25.
CVEs by severity: CRITICAL 1HIGH 1MEDIUM 2
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: 1 only affects a particular platform; this host's is not known (php 7.4.33). See them
HTTP/1.1 400 Bad Request
Server: nginx
Date: Mon, 25 May 2026 08:35:50 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>
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Vulnerabilities
Only affects certain platforms (1)
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.
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.