Host

217.16.223.23

Tags: Self-signed certificate Expired certificate

As of our latest check on 2026-06-08, 217.16.223.23 (Scotnet.co.uk Ltd, AS28757, United Kingdom) 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, 2026-06-08.

No known CVEs on this host.

Network
Scotnet.co.uk Ltd AS28757
Open ports
443 · at our latest check, 2026-06-08
Location
United Kingdom GB
Hostname
newradius1.scotnet.net · reverse DNS, checked 2026-10-05
Route
217.16.216.0/21 · announced by Scotnet.co.uk Ltd AS28757 RPKI valid
Organisation
Scotnet.co.uk Ltd · Access network (cable / DSL / ISP)
Registry network
SCOTNET · 217.16.223.0 - 217.16.223.255 · RIPE
Abuse contact
[email protected] · for SCOTNET
First seen
2026-06-08 06:21 UTC
Last seen alive
2026-06-08 06:21 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 2026-06-08 · last 2026-06-08
TLS
TLSv1.2
Certificate for
newsys10.scotnet.co.uk
Issued by
newsys10.scotnet.co.uk
Valid
2020-09-03 → 2021-09-03
Note
self-signed certificate
Raw response
HTTP/1.1 400 Bad Request
Date: Mon, 08 Jun 2026 06:21:18 GMT
Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips mod_auth_gssapi/1.5.1 mod_auth_kerb/5.4 mod_fcgid/2.3.9 mod_nss/1.0.14 NSS/3.28.4 PHP/5.4.16 SVN/1.7.14 mod_wsgi/3.4 Python/2.7.5 mod_perl/2.0.11 Perl/v5.16.3
Content-Length: 626
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>
<hr>
<address>Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips mod_auth_gssapi/1.5.1 mod_auth_kerb/5.4 mod_fcgid/2.3.9 mod_nss/1.0.14 NSS/3.28.4 PHP/5.4.16 SVN/1.7.14 mod_wsgi/3.4 Python/2.7.5 mod_perl/2.0.11 Perl/v5.16.3 Server at sys10.scotnet.co.uk Port 443</address>

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.