Host

91.187.51.227

Tags: Self-signed certificate

As of our latest check on 2026-05-29, 91.187.51.227 (O2 Czech Republic, a.s., AS42908, Czechia) had 2 open ports (80, 443) and 3 known CVEs.

Known CVEs on this host

2open ports
0names pointing here
3known CVEs
0known exploited

Open ports and CVEs as of our latest check of this host, 2026-05-29.

CVEs by severity: CRITICAL 1 HIGH 1 MEDIUM 1

A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version. See the list

Network
O2 Czech Republic, a.s. AS42908
Open ports
80, 443 · at our latest check, 2026-05-29
Location
Czechia CZ
Hostname
ip-91-187-51-227.static.hitech.cz · reverse DNS, checked 2026-10-04
Route
91.187.32.0/19 · announced by O2 Czech Republic, a.s. AS42908 RPKI valid
Organisation
Nordic Telecom sro
Registry network
CZ-NORDICTELECOMREGIONAL-20061116 · 91.187.48.0 - 91.187.51.255 · RIPE
Abuse contact
[email protected] · for CZ-NORDICTELECOMREGIONAL-20061116
First seen
2026-05-29 13:15 UTC
Last seen alive
2026-05-29 13:16 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 (2)

80/tcp HTTP lighttpd/1.4.39 3 CVEs first 2026-05-29 · last 2026-05-29
Status
302 Found
Server
lighttpd/1.4.39
Raw response
HTTP/1.1 302 Found
Location: https://91.187.51.227/
Content-Length: 0
Date: Sat, 29 Apr 2023 21:21:04 GMT
Server: lighttpd/1.4.39
443/tcp TLS first 2026-05-29 · last 2026-05-29
TLS
TLSv1.2
Certificate for
UBNT-80:2A:A8:62:E0:2F
Issued by
UBNT-80:2A:A8:62:E0:2F
Valid
2019-01-01 → 2038-01-01
Note
self-signed certificate
Raw response
QM����J�x03����Ww���=NЬ�R�#� \nx^1(i�L��E�b	w�ƌ����Pw5�0,)&0�"0�
���|{0
	*�H��
0��10	UUS10	UCA10USan Jose10U
Ubiquiti Networks Inc.10UTechnical Support10UUBNT-80:2A:A8:62:E0:2F10	*�H��
	[email protected]
190101000000Z
380101000000Z0��10	UUS10	UCA10USan Jose10U
Ubiquiti Networks Inc.10UTechnical Support10UUBNT-80:2A:A8:62:E0:2F10	*�H��
	[email protected]�"0
	*�H��
�0�
��>�0~p}�$7P�Yg�좴XO��Z�������%����"�V56��Ph�.=�Y3�y�JA����o�aP��U�Z�ؠ��[�P?,w#u<
����lh�3�:���!�3a�hޑ��%}p*C^�i���<hRT֭(���eY�\pg�ӼS�Jz?��Ck�7<_���޴���D��8�A�vF4��3d������4r��ߥ�O�C��ϯ'�2��Ү�B�C7����l��`����'r��ɽ��E�#�J
���G�J0H0U��0U%0
+0!U0�UBNT-80:2A:A8:62:E0:2F0
	*�H��
��y�w{�YV٦o�e7�'�...<truncated>

Vulnerabilities

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.