OSN

Host

217.42.240.4

As of our latest check on 2026-06-08, 217.42.240.4 (British Telecommunications Limited, AS2856, United Kingdom) had 1 open port (80) and 4 known CVEs.

Known CVEs on this host

1open port
0names pointing here
4known CVEs
0known exploited

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

CVEs by severity: CRITICAL 1 HIGH 1 MEDIUM 2

A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version. See the list

Network
British Telecommunications Limited AS2856
Open ports
80 · at our latest check, 2026-06-08
Location
United Kingdom GB
Hostname
host217-42-240-4.range217-42.btcentralplus.com · reverse DNS, checked 2026-10-05
Route
217.32.0.0/12 · announced by British Telecommunications Limited AS2856 RPKI valid
Organisation
BTnet (BT's UK IP Network - AS2856) · Network service provider (transit)
Registry network
BT-CENTRAL-PLUS · 217.42.0.0 - 217.44.255.255 · RIPE
Abuse contact
[email protected] · for BT-CENTRAL-PLUS
First seen
2026-06-08 07:32 UTC
Last seen alive
2026-06-08 07:33 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)

80/tcp HTTP Boa/0.94.14rc21 4 CVEs first 2026-06-08 · last 2026-06-08
Status
200 OK
Title
Intelligent Digital Security System
Server
Boa/0.94.14rc21
Raw response 
HTTP/1.1 200 OK
Date: Mon, 08 Jun 2026 08:10:25 GMT
Server: Boa/0.94.14rc21
Accept-Ranges: bytes
Connection: Keep-Alive
Keep-Alive: timeout=30, max=100
Content-Length: 548
Last-Modified: Thu, 02 Feb 2017 06:45:19 GMT
Content-Type: text/html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<meta name="viewport" content="initial-scale=1.0; maximum-scale=1.0; minimum-scale=1.0; user-scalable=no;" />

<title>Intelligent Digital Security System</title>


<FRAMESET cols = "100%, *" border = 0 noresize>

	<FRAME name="login" src="web_menu.html">

</FRAMESET>


</html>

Vulnerabilities

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.

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