OSN

Host

212.33.91.202

Tags: Expired certificate

As of our latest check on 2026-06-07, 212.33.91.202 (Politechnika Bialostocka, AS8865, 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
Politechnika Bialostocka AS8865
Open ports
443 · at our latest check, 2026-06-07
Location
Poland PL
Hostname
poczta.um.bialystok.pl · reverse DNS, checked 2026-10-05
Route
212.33.64.0/19 · announced by Politechnika Bialostocka AS8865 RPKI valid
Organisation
Politechnika Bialostocka · Educational/Research
Registry network
BIAMAN_89_95 · 212.33.89.0 - 212.33.95.255 · Politechnika Bialostocka · RIPE
Abuse contact
[email protected] · for BIAMAN_89_95
First seen
2026-06-07 08:00 UTC
Last seen alive
2026-06-07 08:01 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
www.bialystok.pl, *.cui.bialystok.pl, *.um.bialystok.pl, bip.bialystok.pl, www.bip.bialystok.pl
Issued by
Sectigo Public Server Authentication CA DV R36
Valid
2025-09-17 → 2026-09-17
Raw response 
95j%%��/�W�Qأ*k:"��$sp�DOWNGRD�/
�����0��0�3���-+�l3����]�M_0
	*�H��
0`10	UGB10U
Sectigo Limited1705U.Sectigo Public Server Authentication CA DV R360
250917000000Z
260917235959Z010Uwww.bialystok.pl0�"0
	*�H��
�0�
��h���A疲D�7֬�RF��Vy7�m'�ĔM����Δ[� ~�9Ri9����h0}��։�����B3uU"QJ���˪CCx�����K(�1K
��TR������aN�F�?n��(��~æ~y���
���)���.�*�����ξ<���J����Ei��a�|@�7(U�]��`���sڨ�+�X��gwD���o=��Da
�u��}>;א�����0V���Sm�v�kv.���$ߴM�_t�7�`��r.X���2��w��/�b{?�H�f}�M���EѸ�W]>B1w�Ϛy�#��>���qy�Gf�f
��]1dz� ��G�@6X��>������E}*�l���H�>�r�8�9lSL�:6e�>���2ˁ���L�$��Ǭ�O8 ��֒�����M���h��]...<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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