Host

212.83.40.37

Tags: Hosting Expired certificate

As of our latest check on 2026-06-07, 212.83.40.37 (23M GmbH, AS47447, Germany) had 1 open port (443) and no known CVEs.

Known CVEs on this host

1open port
1name 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
23M GmbH AS47447
Open ports
443 · at our latest check, 2026-06-07
Location
Germany DE
Route
212.83.32.0/19 · announced by 23M GmbH AS47447 RPKI valid
Organisation
23M GmbH · Content / hosting
Registry network
DE-23MEDIA-20080624 · 212.83.32.0 - 212.83.63.255 · 23M GmbH · RIPE
Abuse contact
[email protected] · for DE-23MEDIA-20080624
First seen
2026-06-07 08:58 UTC
Last seen alive
2026-06-07 08:58 UTC
Hosted domains
1 name points here

Reputation

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

Services (1)

443/tcp TLS first 2026-06-07 · last 2026-06-07
TLS
TLSv1.2
Certificate for
cubalibre-test.23m.com
Issued by
R12
Valid
2026-04-30 → 2026-07-29
Raw response
HTTP/1.1 400 Bad Request
Server: nginx/1.14.1
Date: Sun, 07 Jun 2026 08:58:24 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 673
Connection: close

<html>
<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>
<body bgcolor="white">
<center><h1>400 Bad Request</h1></center>
<center>The plain HTTP request was sent to HTTPS port</center>
<hr><center>nginx/1.14.1</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.

Hostnames pointing to this address

1 name · as answered by each domain's own name servers

cubalibre-test.23m.comfirst seen 2026-10-09