As of our latest check on 2026-06-07, 213.121.240.241 (British Telecommunications Limited, AS2856, 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, 2026-06-07.
Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.
Services (1)
443/tcpHTTPserverfirst 2026-06-07 · last 2026-06-07
Status
302 Found
Title
302 Found
Server
server
Raw response
HTTP/1.1 400 Bad Request
Date: Sun, 07 Jun 2026 23:02:48 GMT
Server: server
Referrer-Policy: strict-origin-when-cross-origin
Content-Length: 135
Connection: close
Content-Type: text/html; charset=iso-8859-1
<html><head><title>400 Bad Request</title></head><body>Your browser sent a request that this server could not understand.</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.