This IP address has been reported a total of
1,797
times from
664 distinct
sources.
91.236.116.50 was first reported on
, and the most recent report was
.
Old Reports:
The most recent abuse report for this IP address is from
. It is possible that this IP is no longer involved in abusive activities.
Automated report: SSH brute force detected. This IP exceeded the allowed number of failed login atte ...
show moreAutomated report: SSH brute force detected. This IP exceeded the allowed number of failed login attempts (3 attempts).
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2026-06-10T16:50:33.873128 default-local sshd[29957]: Invalid user 0 from 91.236.116.50 port 6633
20 ...
show more2026-06-10T16:50:33.873128 default-local sshd[29957]: Invalid user 0 from 91.236.116.50 port 6633
2026-06-10T16:50:34.073860 default-local sshd[29957]: Disconnecting invalid user 0 91.236.116.50 port 6633: Change of username or service not allowed: (0,ssh-connection) -> (xiaoxiao,ssh-connection) [preauth]
2026-06-10T16:50:35.580826 default-local sshd[29959]: Invalid user xiaoxiao from 91.236.116.50 port 30232
2026-06-10T16:50:35.773784 default-local sshd[29959]: Disconnecting invalid user xiaoxiao 91.236.116.50 port 30232: Change of username or service not allowed: (xiaoxiao,ssh-connection) -> (cisco,ssh-connection) [preauth]
2026-06-10T16:50:38.986309 default-local sshd[29961]: Invalid user cisco from 91.236.116.50 port 22020
...
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Brute-Force
SSH
Anonymous
2026-06-10T18:47:21.858647 mail2.akcurate.de sshd-session[218029]: Invalid user 0 from 91.236.116.50 ...
show more2026-06-10T18:47:21.858647 mail2.akcurate.de sshd-session[218029]: Invalid user 0 from 91.236.116.50 port 22423
2026-06-10T18:47:21.912306 mail2.akcurate.de sshd-session[218029]: Disconnecting invalid user 0 91.236.116.50 port 22423: Change of username or service not allowed: (0,ssh-connection) -> (mama,ssh-connection) [preauth]
2026-06-10T18:47:22.663373 mail2.akcurate.de sshd-session[218031]: Invalid user mama from 91.236.116.50 port 16554
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Jun 10 18:18:07 [host] sshd[10870]: Disconnecting invalid user 0 91.236.116.50 port 45555: Change of ...
show moreJun 10 18:18:07 [host] sshd[10870]: Disconnecting invalid user 0 91.236.116.50 port 45555: Change of
Jun 10 18:18:09 [host] sshd[10881]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid
Jun 10 18:18:11 [host] sshd[10881]: Failed password for sshd from 91.236.116.50 port 26342 ssh2
Jun 10 18:18:12 [host] sshd[10881]: Failed password for sshd from 91.236.116.50 port 26342 ssh2
Jun 10 18:18:13 [host] sshd[10881]: Disconnecting authenticating user sshd 91.236.116.50 port 26342:
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2026-06-10T07:36:56.014453+02:00 87hcet sshd[2036328]: Invalid user 0 from 91.236.116.50 port 41211
...
show more2026-06-10T07:36:56.014453+02:00 87hcet sshd[2036328]: Invalid user 0 from 91.236.116.50 port 41211
2026-06-10T07:36:56.305646+02:00 87hcet sshd[2036328]: Disconnecting invalid user 0 91.236.116.50 port 41211: Change of username or service not allowed: (0,ssh-connection) -> (t128,ssh-connection) [preauth]
2026-06-10T07:36:56.807526+02:00 87hcet sshd[2036337]: Invalid user t128 from 91.236.116.50 port 16416
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Automated report: SSH brute force detected. This IP exceeded the allowed number of failed login atte ...
show moreAutomated report: SSH brute force detected. This IP exceeded the allowed number of failed login attempts (3 attempts).
show less
2026-06-10T05:24:14.298529+02:00 chnode1 sshd[3931305]: Invalid user 0 from 91.236.116.50 port 58540 ...
show more2026-06-10T05:24:14.298529+02:00 chnode1 sshd[3931305]: Invalid user 0 from 91.236.116.50 port 58540
2026-06-10T05:24:14.435120+02:00 chnode1 sshd[3931305]: Disconnecting invalid user 0 91.236.116.50 port 58540: Change of username or service not allowed: (0,ssh-connection) -> (openvswitch,ssh-connection) [preauth]
2026-06-10T05:24:15.271384+02:00 chnode1 sshd[3931891]: Invalid user openvswitch from 91.236.116.50 port 35617
2026-06-10T05:24:15.310890+02:00 chnode1 sshd[3931891]: Disconnecting invalid user openvswitch 91.236.116.50 port 35617: Change of username or service not allowed: (openvswitch,ssh-connection) -> (paul,ssh-connection) [preauth]
2026-06-10T05:24:16.761420+02:00 chnode1 sshd[3931895]: Invalid user paul from 91.236.116.50 port 61421
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