Host

213.135.51.76

Tags: Expired certificate

As of our latest check on 2026-06-07, 213.135.51.76 (University of Warsaw, AS8664, Poland) 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
University of Warsaw AS8664
Open ports
443 · at our latest check, 2026-06-07
Location
Poland PL
Route
213.135.50.0/23 · announced by University of Warsaw AS8664 no RPKI authorisation
Organisation
University of Warsaw, ICM · Educational/Research
Registry network
ICM-PLGRID · 213.135.51.32 - 213.135.51.95 · RIPE
Abuse contact
[email protected] · for ICM-PLGRID
First seen
2026-06-07 23:44 UTC
Last seen alive
2026-06-07 23:45 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
sso.hpc.icm.edu.pl, sso3.hpc.icm.edu.pl, sso2.hpc.icm.edu.pl, sso1.hpc.icm.edu.pl
Issued by
GEANT TLS RSA 1
Valid
2025-09-25 → 2026-09-25
Raw response
�M �4���ǀ���U����!�5]�+hDOWNGRD ���X�4�t';�Τq��+��>n��.����ix�/���0�0�x�IVf�Is���<c���0
	*�H��
0`10	UGR1705U
.Hellenic Academic and Research Institutions CA10UGEANT TLS RSA 10
250925161305Z
260925161305Z0t10	UPL10Umazowieckie10UWarszawa10U
Uniwersytet Warszawski10Usso.hpc.icm.edu.pl0�"0
	*�H��
�0�
���l��˟��O�sw6)!M��w	�ON�p.)�ݶ�R&pf+7������!`�s������/A�p4�Gq�=׬4�����ɪԭ�`�����P�����Q}��
�,7�q6�����x�f�iy�z���IJn0I�[N���1���F��fIµ�A��/��ؿ�Ui�>�������1[!X�(����Մ�bHv{ҧ�}/�!~}�@��ި��� ;�����T9�zӉ餍Fn�f$���e!�εgǖ�#����\�Je�>������ZFJ�whN��72T͆
�G�(V���M���;*�2D�|���X�:ٶ���M��������-�|�0|l&$(@x...<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.