OSN

Host

217.91.156.91

Tags: Self-signed certificate

As of our latest check on 2026-06-08, 217.91.156.91 (Deutsche Telekom AG, AS3320, Germany) 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, 2026-06-08.

No known CVEs on this host.

Network
Deutsche Telekom AG AS3320
Open ports
443 · at our latest check, 2026-06-08
Location
Dortmund, DE-NW · Germany DE
Hostname
kronau.orga-bk.de · reverse DNS, checked 2026-10-05
Route
217.80.0.0/12 · announced by Deutsche Telekom AG AS3320 RPKI valid
Organisation
Deutsche Telekom AG · Network service provider (transit)
Registry network
DTAG-STATIC05 · 217.91.128.0 - 217.92.255.255 · RIPE
Abuse contact
[email protected] · for DTAG-STATIC05
First seen
2026-06-08 08:29 UTC
Last seen alive
2026-06-08 08:30 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 2026-06-08 · last 2026-06-08
TLS
TLSv1.2
Certificate for
www.draytek.com
Issued by
Vigor Router
Valid
2025-10-26 → 2026-11-27
Note
self-signed certificate
Raw response 
TP
*���Sr�;,�U�
6���a4�U����� 6��iRy^\9|ޭ�2s��`&��L�%��_w���/����0��0���	�U�R��5'0
	*�H��
0x10	UTW10UHsinChu10UHuKou10U

DrayTek Corp.10UDrayTek Support10UVigor Router0
251026081220Z
261127081220Z0x10	UTW10UHsinChu10UHuKou10U

DrayTek Corp.10UDrayTek Support10UVigor Router0�"0
	*�H��
�0�
���ǐ6��~���ZA�V�F\�ޠ&&1��C���{P+3��`�4Gx3��/mhe�$�q��ʋP�}B�ɵg���I�;qQ���u�;�˙L$��5n����1�,�(6�m�!3�Mћ�5�o0%Jn���#���j#!�~���h`��6F��G����ÒK��)�[����hP!��&(����*7��c��*F̆�z8�jP���{N|��g�`�5DF�;��%~1���~"���$Zg�y��>c��U�W�3010U%0
+0U0�www.draytek.com0
	*�H��
��]~b��'_8ϐsL��]
U�E�@27��O<)����h0:A��mM�_m�7c�a���]�@(�(1@1[nT�	5��&�v�%����...<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.

Report an issue with this page