Host

212.51.199.145

As of our latest check on 2026-06-07, 212.51.199.145 (Lodz University of Technology, AS8256, Poland) had 2 open ports (80, 443) and no known CVEs.

Known CVEs on this host

2open ports
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
Lodz University of Technology AS8256
Open ports
80, 443 · at our latest check, 2026-06-07
Location
Poland PL
Hostname
erejestr-c.csk.umed.pl · reverse DNS, checked 2026-10-05
Route
212.51.192.0/21 · announced by Lodz University of Technology AS8256 RPKI valid
Organisation
Lodz University of Technology
Registry network
UMED-LODZ-NET · 212.51.198.0 - 212.51.199.255 · RIPE
Abuse contact
[email protected] · for UMED-LODZ-NET
First seen
2026-06-07 08:52 UTC
Last seen alive
2026-06-07 08:53 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 first 2026-06-07 · last 2026-06-07
Status
503 Backend fetch failed
Title
503 Backend fetch failed
Raw response
HTTP/1.1 503 Backend fetch failed
Date: Sun, 07 Jun 2026 08:52:52 GMT
Content-Type: text/html; charset=utf-8
Retry-After: 5
Age: 0
X-Cache: uncached
Content-Length: 285
Connection: keep-alive

<!DOCTYPE html>
<html>
  <head>
    <title>503 Backend fetch failed</title>
  </head>
  <body>
    <h1>Error 503 Backend fetch failed</h1>
    <p>Backend fetch failed</p>
    <h3>Guru Meditation:</h3>
    <p>XID: 15401710</p>
    <hr>
    <p>Varnish cache server</p>
  </body>
</html>
443/tcp TLS first 2026-06-07 · last 2026-06-07
TLS
TLSv1.2
Certificate for
erejestr-c.csk.umed.pl, www.erejestr-c.csk.umed.pl
Issued by
GEANT OV RSA CA 4
Valid
2024-01-25 → 2025-01-24
Raw response
YU������
��!ݥ�����/���DOWNGRD �]�l|z��:�߭�%ʋ�!��.n��Ʈ�����/
����0��0�i��_��&�rEr����0
	*�H��
0D10	UNL10U
GEANT Vereniging10UGEANT OV RSA CA 40
240125000000Z
250124235959Z0j10	UPL10U	Łódzkie1&0$U
Uniwersytet Medyczny w Łodzi10Uerejestr-c.csk.umed.pl0�"0
	*�H��
�0�
��-X-g����g��Q��+^8�Ӿ��`y!}� ��6��/�����t�����FZ��G�����������h�P��n`�����CM�Z�{Ц9����;:�U36�A���m�,��a�.���j�#������-r�x⿰r�R���aO.��b��h~��#�-L�۴�ed�7z0>�̻	��l�,��0~��MlI#+H
���K��gD�e�3��琒��]��r��E�5Sr��k8�
�maܒ��j���F0�B0U#0�o5Il2�Y�������qz0U�kx��T!$aj��C\�,��Y0U��0U�00U%0++0IU B0@04+�1O0%0#+https://sectigo.com/CPS0g�0?U80604�2�0...<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.