Host

212.55.4.237

Tags: Expired certificate

As of our latest check on 2026-06-07, 212.55.4.237 (Euskaltel S.A., AS12338, Spain) had 1 open port (443) and no known CVEs.

Known CVEs on this host

1open port
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
Euskaltel S.A. AS12338
Open ports
443 · at our latest check, 2026-06-07
Location
Spain ES
Hostname
237.212-55-4.static.clientes.euskaltel.es · reverse DNS, checked 2026-10-05
Route
212.55.0.0/19 · announced by Euskaltel S.A. AS12338 RPKI valid
Organisation
EUSKALTEL S.A. · Access network (cable / DSL / ISP)
Registry network
ES-EUSKALTEL-980403 · 212.55.0.0 - 212.55.31.255 · Euskaltel S.A. · RIPE
Abuse contact
[email protected] · for ES-EUSKALTEL-980403
First seen
2026-06-07 09:02 UTC
Last seen alive
2026-06-07 09:03 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 (1)

443/tcp TLS first 2026-06-07 · last 2026-06-07
TLS
TLSv1.2
Certificate for
*.mutualia.eus, mutualia.eus
Issued by
Thawte TLS RSA CA G1
Valid
2025-05-13 → 2026-06-08
Raw response
HTTP/1.1 400 Bad Request
Date: Sun, 07 Jun 2026 09:02:18 GMT
Server: Apache
Referrer-Policy: strict-origin-when-cross-origin
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=63072000; includeSubdomains
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.