OSN

Host

213.121.205.178

Tags: Expired certificate

As of our latest check on 2026-06-07, 213.121.205.178 (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.

No known CVEs on this host.

Network
British Telecommunications Limited AS2856
Open ports
443 · at our latest check, 2026-06-07
Location
United Kingdom GB
Hostname
mail.mst-uk.com · reverse DNS, checked 2026-10-05
Route
213.120.0.0/14 · announced by British Telecommunications Limited AS2856 RPKI valid
Organisation
BTnet (BT's UK IP Network - AS2856) · Network service provider (transit)
Registry network
BTNET-CUSTOMER · 213.121.205.176 - 213.121.205.183 · RIPE
Abuse contact
[email protected] · for BTNET-CUSTOMER
First seen
2026-06-07 23:02 UTC
Last seen alive
2026-06-07 23:02 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 2026-06-07 · last 2026-06-07
TLS
TLSv1.2
Certificate for
uk-stirling-wired-tvbzgbwpdgc.dynamic-m.com
Issued by
HydrantID Server CA O1
Valid
2026-05-30 → 2026-09-07
Raw response 
YU��P�i��g��/�g��ʰK99-DOWNGRD S.���a��9P�".u�{U� �.r}xp%�kr�/
�
�
�
��0��0���@�w����������0
	*�H��
0r10	UUS10U
	IdenTrust1.0,U%HydrantID Trusted Certificate Service10UHydrantID Server CA O10
260530064012Z
260907063912Z0��10	UUS10U
California10USan Jose10U
Cisco Systems Inc.1402U+uk-stirling-wired-tvbzgbwpdgc.dynamic-m.com0�"0
	*�H��
�0�
��ccĸG�1���ڝ��
!������QL�����~�O|�g�;�R>Y�f�5$���}�I�u��&@�>�������x�@�vh�z�=HE/
�R�#&*oO{�IУG�~�"�$q�+���p�;H�1_�݂C�2Bܭ���˿{7�����4���i���|�&�1�NW��k�ܵ|�|\>�p���3�?�,|�uն�T����)m��lZ4)��<��^�nH�2����ѻ�o;�1sw���8D�z8�u�� 0�0U��0��+y0w00+0�$http://commercial.ocsp.identrust.com0C+0�7http://validation.identrust.com/certs/hydrantid...<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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