Host

217.28.18.216

Tags: Self-signed certificate Expired certificate

As of our latest check on 2026-06-08, 217.28.18.216 (NWIP Ltd, AS25582, 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: NWIP Ltd AS25582
Open ports: 443 · at our latest check, 2026-06-08
Location: United Kingdom GB
Route: 217.28.18.0/24 · announced by NWIP Ltd AS25582 no RPKI authorisation
Organisation: NWIP Ltd
Registry network: UK-NWIP-LTD-20050310 · 217.28.16.0 - 217.28.23.255 · NWIP Ltd · RIPE
Abuse contact: [email protected] · for UK-NWIP-LTD-20050310
First seen: 2026-06-08 06:40 UTC
Last seen alive: 2026-06-08 06:41 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: ZyXELcert
Issued by: ZyXELcert
Valid: 2015-01-01 → 2025-01-01
Note: self-signed certificate

Raw response

YU�X4����<�@��`�bnP�"^p:��en��� A�*�������w�x��R��bu��G,��/
����}0�y0�a�	�Ύ���G�0
	*�H��

0S10	UTW10
UTWN10U
ZyXEL10U	ZyXELcert10U	ZyXELcert0
150101120000Z
250101120000Z0S10	UTW10
UTWN10U
ZyXEL10U	ZyXELcert10U	ZyXELcert0�"0
	*�H��
�0�
���j�XYvdfȋ7�����%��ƫf@p8ˇ����O�� O3ii<FKpŠ��D]�hx�� ��ٷ��a�y�_A�(`��`��#��M6���*�kmpn�r�����Obp����;�W4&"�Hg�+\y�9DH���6Y��T[BX^��?��r������w~���Q�W�/?�e��Km��<��4�(nDT5�E��ӿ�FR�i�TeD����Z'Q�,��_��Gn'\��E{����R�����݅�6����y�0V����P0N0U�P͖T��m�L�ba�(�<�0U#0��P͖T��m�L�ba�(�<�0U0�0
	*�H��

�@V+1�_L�����wz_B>�S���3�i��\s��qwDv�e��|�������ЎS��...<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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