OSN

Host

217.41.3.251

Tags: Self-signed certificate Expired certificate

As of our latest check on 2026-06-08, 217.41.3.251 (British Telecommunications Limited, AS2856, United Kingdom) had 2 open ports (8081, 8443) and no known CVEs.

Known CVEs on this host

2open ports
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
British Telecommunications Limited AS2856
Open ports
8081, 8443 · at our latest check, 2026-06-08
Location
United Kingdom GB
Hostname
host217-41-3-251.in-addr.btopenworld.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-ADSL · 217.41.0.0 - 217.41.63.255 · RIPE
Abuse contact
[email protected] · for BT-ADSL
First seen
2026-06-08 07:25 UTC
Last seen alive
2026-06-08 07:29 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 (2)

8081/tcp HTTP first 2026-06-08 · last 2026-06-08
Status
200 OK
Raw response 
HTTP/1.1 200 OK
Date: Mon, 08 Jun 2026 08:26:23 GMT
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
ETag: "574-258-60950506"
Content-Length: 600
Content-Type: text/html
Connection: close
Last-Modified: Fri, 07 May 2021 09:14:46 GMT
8443/tcp TLS first 2026-06-08 · last 2026-06-08
TLS
TLSv1.2
Certificate for
ee443317c40c3f03032b568430857d82
Issued by
ee443317c40c3f03032b568430857d82
Valid
2021-07-30 → 2024-07-29
Note
self-signed certificate
Raw response 
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����~0�z0�b0
	*�H��
0��10	UCN10	UZJ10	UHZ1)0'U ee443317c40c3f03032b568430857d8210Uembeddedsofteware10	*�H��
	com0
210730092556Z
240729092556Z0��10	UCN10	UZJ10	UHZ1)0'U ee443317c40c3f03032b568430857d8210Uembeddedsofteware10	*�H��
	com0�"0
	*�H��
�0�
���c�g0��ѩ?��|j�����K�輬�MH��4�����=V#��^��.��U�g	B���%���0��
�+["fL-{)�
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G�a���C.�����_O'_�[�,A�)1z)�
u4�����A���/��E��*�$`o�Z�E���8E}����o�)�vF�W\��s*����M���q����	�`;~����aԢ���w����g/E:�_�<h������"ZW0
	*�H��
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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.

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