Host

212.33.77.235

Tags: Self-signed certificate Expired certificate

As of our latest check on 2026-06-07, 212.33.77.235 (Politechnika Bialostocka, AS8865, Poland) had 2 open ports (80, 443) and no known CVEs.

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
Politechnika Bialostocka AS8865
Open ports
80, 443 · at our latest check, 2026-06-07
Location
Poland PL
Route
212.33.64.0/19 · announced by Politechnika Bialostocka AS8865 RPKI valid
Organisation
Politechnika Bialostocka · Educational/Research
Registry network
BIAMAN_77 · 212.33.77.0 - 212.33.77.255 · Politechnika Bialostocka · RIPE
Abuse contact
[email protected] · for BIAMAN_77
First seen
2026-06-07 08:00 UTC
Last seen alive
2026-06-07 08:00 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
Status
301 Moved Permanently
Title
301 Moved Permanently
Raw response
HTTP/1.1 301 Moved Permanently
Date: Sun, 07 Jun 2026 08:00:16 GMT
Server:  
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Content-Security-Policy: default-src https: 'unsafe-inline' 'unsafe-eval' data: blob:
Location: https://212.33.77.235/
Content-Length: 230
Content-Type: text/html; charset=iso-8859-1

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>301 Moved Permanently</title>
</head><body>
<h1>Moved Permanently</h1>
<p>The document has moved <a href="https://212.33.77.235/">here</a>.</p>
</body></html>
443/tcp TLS first 2026-06-07 · last 2026-06-07
TLS
TLSv1.2
Certificate for
web1.localdomain
Issued by
web1.localdomain
Valid
2021-12-02 → 2022-12-02
Note
self-signed certificate
Raw response
HTTP/1.1 400 Bad Request
Date: Sun, 07 Jun 2026 08:00:16 GMT
Server:  
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Content-Security-Policy: default-src https: 'unsafe-inline' 'unsafe-eval' data: blob:
Content-Length: 362
Connection: close
Content-Type: text/html; charset=iso-8859-1

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<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.