212.87.11.17 — 2 open ports, 0 known CVEs, network University of Warsaw

Known CVEs on this host

2open ports

0names pointing here

0known CVEs

0known exploited

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

No known CVEs on this host.

Network: University of Warsaw AS8890
Open ports: 80, 443 · at our latest check, 2026-06-07
Location: Poland PL
Hostname: 212-87-11-17.uw.edu.pl · reverse DNS, checked 2026-10-05
Route: 212.87.0.0/20 · announced by University of Warsaw AS8890 no RPKI authorisation
Organisation: University of Warsaw · Educational/Research
Registry network: DSK · 212.87.10.0 - 212.87.11.255 · RIPE
Abuse contact: [email protected] · for DSK
First seen: 2026-06-07 09:10 UTC
Last seen alive: 2026-06-07 09:11 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 (2)

80/tcp HTTP first 2026-06-07 · last 2026-06-07

Raw response

HTTP/1.1 301 Moved Permanently
Date: Sun, 07 Jun 2026 09:10:50 GMT
Server: Apache
X-Content-Type-Options: nosniff
X-Frame-Opions: SAMEORIGIN
Referrer-Policy: strict-origin-when-cross-origin
Permission-Policy: camera=(), microphone=(), geolocation=()
Location: https://lime.wls.uw.edu.pl/
Content-Length: 275
Content-Type: text/html; charset=iso-8859-1

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html><head>
<title>301 Moved Permanently</title>
</head><body>
<h1>Moved Permanently</h1>
<p>The document has moved <a href="https://lime.wls.uw.edu.pl/">here</a>.</p>
</body></html>

443/tcp TLS first 2026-06-07 · last 2026-06-07

TLS: TLSv1.2
Certificate for: lime.wls.uw.edu.pl
Issued by: GEANT TLS RSA 1
Valid: 2025-11-07 → 2026-11-07

Raw response

HTTP/1.1 400 Bad Request
Date: Sun, 07 Jun 2026 09:10:50 GMT
Server: Apache
X-Content-Type-Options: nosniff
X-Frame-Opions: SAMEORIGIN
Referrer-Policy: strict-origin-when-cross-origin
Permission-Policy: camera=(), microphone=(), geolocation=()
Strict-Transport-Security: max-age=31536000; includeSubDomains
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Content-Length: 402
Connection: close
Content-Type: text/html; charset=iso-8859-1

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.<br />
Reason: You're speaking plain HTTP to an SSL-enabled server port.<br />
 Instead use the HTTPS scheme to access this URL, please.<br />
</p>
</body></html>

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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