Host

217.36.209.45

Tags: Self-signed certificate Expired certificate

As of our latest check on 2026-06-08, 217.36.209.45 (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, 2026-06-08.

No known CVEs on this host.

Network: British Telecommunications Limited AS2856
Open ports: 443 · at our latest check, 2026-06-08
Location: United Kingdom GB
Hostname: host217-36-209-45.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 · 217.36.208.0 - 217.36.231.255 · RIPE
Abuse contact: [email protected] · for BT-ADSL
First seen: 2026-06-08 05:51 UTC
Last seen alive: 2026-06-08 05:52 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: www.draytek.com
Issued by: Vigor Router
Valid: 2021-06-21 → 2022-07-21
Note: self-signed certificate

Raw response

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	*�H��
0x10	UTW10UHsinChu10UHuKou10U

DrayTek Corp.10UDrayTek Support10UVigor Router0
210621171140Z
220721171140Z0x10	UTW10UHsinChu10UHuKou10U

DrayTek Corp.10UDrayTek Support10UVigor Router0�"0
	*�H��
�0�
����@ؓ�
$aêq�,�*ܴ�Y,Y����b�&�d��s�����+a.��[s�	�|��LC�E�Իn���|�f����N�	���[
yL��^��v[B7�>�������L�T���3˔yx=���{q�ʓLY����\������7�_,m"l7�sS�d^֕�\vdR�V���Ph#fE5�Pgb�a��v~Z↽8wI�<եi1�1�d����I���ٯ{׶��H&N@>�֞�����enK�}~�d�3010U%0
+0U0�www.draytek.com0
	*�H��
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��a�LM�#���...<truncated>

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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