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IP Abuse Reports for 171.216.139.21
This IP address has been reported a total of
122
times from
96 distinct
sources.
171.216.139.21 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 27
reports;
United States of America
with 20
reports;
Brazil
with 10
reports.
The most common categories in these recent reports were:
Brute-Force
95
times;
SSH
95
times;
Port Scan
26
times;
Hacking
8
times;
Web App Attack
5
times.
Recent Reports
We have received reports of abusive activity from this IP address within the last week. It is
potentially still actively engaged in abusive activities.
2026-09-29T00:51:31.173950+00:00 cdn-nl sshd[4049259]: Invalid user user from 171.216.139.21 port 49 ...
show more2026-09-29T00:51:31.173950+00:00 cdn-nl sshd[4049259]: Invalid user user from 171.216.139.21 port 49612
2026-09-29T00:51:33.547115+00:00 cdn-nl sshd[4049262]: Invalid user user from 171.216.139.21 port 49618
2026-09-29T00:51:34.927348+00:00 cdn-nl sshd[4049264]: Invalid user user from 171.216.139.21 port 50010
...
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Automated SSH credential probing observed - 3 failed login attempts against sshd within 10 minutes. ...
show moreAutomated SSH credential probing observed - 3 failed login attempts against sshd within 10 minutes. Auto-banned by fail2ban (jail sshd).
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Honeypot Finding: SSH intrusion activity on TCP/22; successful login, command, or download activity ...
show moreHoneypot Finding: SSH intrusion activity on TCP/22; successful login, command, or download activity observed.
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2026-09-28T15:17:44.887033a552666061.local sshd[55400]: Failed password for root from 171.216.139.21 ...
show more2026-09-28T15:17:44.887033a552666061.local sshd[55400]: Failed password for root from 171.216.139.21 port 50077 ssh2
2026-09-28T15:17:48.618421a552666061.local sshd[55407]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.216.139.21 user=root
2026-09-28T15:17:50.625146a552666061.local sshd[55407]: Failed password for root from 171.216.139.21 port 51138 ssh2
...
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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).
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