213.184.28.34 — 2 open ports, 0 known CVEs, network University of Warmia and…

Known CVEs on this host

2open ports

14names pointing here

0known CVEs

0known exploited

Open ports and CVEs as of our latest check of this host, 2026-06-08.

No known CVEs on this host.

Network: University of Warmia and Mazury in Olsztyn, Poland AS21064
Open ports: 80, 443 · at our latest check, 2026-06-08
Location: Poland PL
Hostname: d16.yupo.pl · reverse DNS, checked 2026-10-05
Route: 213.184.28.0/22 · announced by University of Warmia and Mazury in Olsztyn, Poland AS21064 no RPKI authorisation
Organisation: University of Warmia and Mazury in Olsztyn, Poland
Registry network: YUPO · 213.184.28.0 - 213.184.28.63 · RIPE
Abuse contact: [email protected] · for YUPO
First seen: 2026-06-08 00:36 UTC
Last seen alive: 2026-06-08 00:37 UTC
Hosted domains: 14 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 first 2026-06-08 · last 2026-06-08

Status: 200 OK
Server: nginx

Raw response

HTTP/1.1 200 OK
Server: nginx
Date: Mon, 08 Jun 2026 00:36:46 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
X-Accel-Version: 0.01
Last-Modified: Fri, 28 Mar 2025 10:07:53 GMT
ETag: W/"2f-631643e5e7054"
Vary: User-Agent
Content-Encoding: gzip

40
���(�ͱ+OM*N-*K-R�,VH+�K.�����KW��/�M�ɩ����.J"/
0

443/tcp TLS first 2026-06-08 · last 2026-06-08

TLS: TLSv1.2
Certificate for: d16.yupo.pl
Issued by: E8
Valid: 2026-04-08 → 2026-07-07

Raw response

HTTP/1.1 400 Bad Request
Server: nginx
Date: Mon, 08 Jun 2026 00:36:46 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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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.