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No reports in the last 60 days
91.99.173.78 has been reported 67
times. The most recent report is from
.
The full history is preserved below and remains searchable. A
0% score reflects the absence of recent activity, but
this is not a guarantee that earlier reports were invalid. Abuse confidence score decays,
naturally, over time, when the abusive activity stops.
This IP address carried out 1168 port scanning attempts on 16-11-2025. For more information or to report interesting / incorrect findings, give me a shoutout @parthmaniar on Twitter.
This IP address carried out 223 SSH credential attack (attempts) on 16-11-2025. For more information or to report interesting / incorrect findings, give me a shoutout @parthmaniar on Twitter.
2025-11-16T10:35:29.039661+00:00 nyx sshd[1567019]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.99.173.78
2025-11-16T10:35:31.613346+00:00 nyx sshd[1567019]: Failed password for invalid user test from 91 ...
show more2025-11-16T10:35:29.039661+00:00 nyx sshd[1567019]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.99.173.78
2025-11-16T10:35:31.613346+00:00 nyx sshd[1567019]: Failed password for invalid user test from 91.99.173.78 port 41074 ssh2
2025-11-16T10:36:57.817341+00:00 nyx sshd[1567054]: Invalid user sam from 91.99.173.78 port 44728
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(sshd) Failed SSH login from 91.99.173.78 (DE/Germany/static.78.173.99.91.clients.your-server.de): 5 in the last 3600 secs; Ports: *; Direction: 1; Trigger: LF_SSHD; Logs: Nov 16 04:09:52 14109 sshd[2711]: Invalid user salary from 91.99.173.78 port 3 ...
show more(sshd) Failed SSH login from 91.99.173.78 (DE/Germany/static.78.173.99.91.clients.your-server.de): 5 in the last 3600 secs; Ports: *; Direction: 1; Trigger: LF_SSHD; Logs: Nov 16 04:09:52 14109 sshd[2711]: Invalid user salary from 91.99.173.78 port 39268
Nov 16 04:09:53 14109 sshd[2711]: Failed password for invalid user salary from 91.99.173.78 port 39268 ssh2
Nov 16 04:11:33 14109 sshd[2869]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.99.173.78 user=root
Nov 16 04:11:35 14109 sshd[2869]: Failed password for root from 91.99.173.78 port 40580 ssh2
Nov 16 04:12:44 14109 sshd[2939]: Invalid user jairo from 91.99.173.78 port 49830
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2025-11-16T10:09:07.211373+00:00 nyx sshd[1565317]: Failed password for invalid user salary from 91.99.173.78 port 39680 ssh2
2025-11-16T10:11:17.963510+00:00 nyx sshd[1565382]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=s ...
show more2025-11-16T10:09:07.211373+00:00 nyx sshd[1565317]: Failed password for invalid user salary from 91.99.173.78 port 39680 ssh2
2025-11-16T10:11:17.963510+00:00 nyx sshd[1565382]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.99.173.78 user=root
2025-11-16T10:11:20.201428+00:00 nyx sshd[1565382]: Failed password for root from 91.99.173.78 port 44374 ssh2
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Nov 16 10:43:08 whitehoodie sshd[2198524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.99.173.78
Nov 16 10:43:10 whitehoodie sshd[2198524]: Failed password for invalid user new from 91.99.173.78 port 51 ...
show moreNov 16 10:43:08 whitehoodie sshd[2198524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.99.173.78
Nov 16 10:43:10 whitehoodie sshd[2198524]: Failed password for invalid user new from 91.99.173.78 port 51272 ssh2
Nov 16 11:03:46 whitehoodie sshd[2198706]: Invalid user admin from 91.99.173.78 port 59100
Nov 16 11:03:46 whitehoodie sshd[2198706]: Invalid user admin from 91.99.173.78 port 59100
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Brute-Force
SSH
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