Host

161.53.131.175

Tags: Expired certificate

As of our latest check on 2026-06-03, 161.53.131.175 (Croatian Academic and Research Network, AS2108, Croatia) had 2 open ports (80, 443) and 2 known CVEs, 1 known to be exploited.

Known CVEs on this host

2open ports
2names pointing here
2known CVEs
1known exploited

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

CVEs by severity: HIGH 1 MEDIUM 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
Croatian Academic and Research Network AS2108
Open ports
80, 443 · at our latest check, 2026-06-03
Location
Croatia HR
Hostname
101vc1-lib.irb.hr · reverse DNS, checked 2026-10-05
Route
161.53.0.0/16 · announced by Croatian Academic and Research Network AS2108 RPKI valid
Organisation
CARNet · Educational/Research
Registry network
CARNET-IRBZG · 161.53.131.72 - 161.53.131.255 · RIPE
Abuse contact
[email protected] · for CARNET-IRBZG
First seen
2026-06-03 09:11 UTC
Last seen alive
2026-06-03 09:12 UTC
Hosted domains
2 names point here

Reputation

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

Services (2)

80/tcp HTTP nginx/1.22.1 2 CVEs first 2026-06-03 · last 2026-06-03
Status
301 Moved Permanently
Title
301 Moved Permanently
Server
nginx/1.22.1
Raw response
HTTP/1.1 301 Moved Permanently
Server: nginx/1.22.1
Date: Wed, 03 Jun 2026 09:11:58 GMT
Content-Type: text/html
Content-Length: 169
Connection: keep-alive
Location: https://biodata.irb.hr/

<html>
<head><title>301 Moved Permanently</title></head>
<body>
<center><h1>301 Moved Permanently</h1></center>
<hr><center>nginx/1.22.1</center>
</body>
</html>
443/tcp TLS first 2026-06-03 · last 2026-06-03
TLS
TLSv1.2
Certificate for
biodata.irb.hr
Issued by
E7
Valid
2025-12-17 → 2026-03-17
Raw response
HTTP/1.1 400 Bad Request
Server: nginx/1.22.1
Date: Wed, 03 Jun 2026 09:11:58 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>
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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.

Hostnames pointing to this address

2 names · as answered by each domain's own name servers

101vc1-lib.irb.hrfirst seen 2026-10-03
elab.irb.hrfirst seen 2026-10-03