This IP address has been reported a total of
15
times from
13 distinct
sources.
171.216.137.55 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 4
reports;
Czechia
with 2
reports;
United States of America
with 2
reports.
The most common categories in these recent reports were:
SSH
14
times;
Brute-Force
11
times;
Port Scan
3
times;
Hacking
1
time.
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.
SSH Brute force: 125 attempts were recorded from 171.216.137.55
2026-10-10T04:30:51+02:00 Connection ...
show moreSSH Brute force: 125 attempts were recorded from 171.216.137.55
2026-10-10T04:30:51+02:00 Connection closed by authenticating user root 171.216.137.55 port 36902 [preauth]
2026-10-10T04:30:57+02:00 Connection closed by authenticating user root 171.216.137.55 port 38413 [preauth]
2026-10-10T04:31:03+02:00 Connection closed by authenticating user root 171.216.137.55 port 38093 [preauth]
2026-10-10T04:39:21+02:00 Connection closed by authenticating user root 171.216.137.55 port 37534 [preauth]
2026-10-10T04:39:25+02:00 Connection closed by authenticating user root 171.216.137.55 port 37229 [preauth]
2026-10-10T04:39:34+02:00 Connection closed by authenticating user root 171.216.137.55 port 37447 [preauth]
2026-10-10T04:39:39+02:00 Connection closed by authenticating user root 171.216.137.55 port 37485 [preauth]
2026-10-10T04:39:44+02:00 Connection closed by authenticating user root 171.216.
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Active SSH brute-force detected. Logs: 2026-10-09T17:04:13.367579-04:00 AVM-437690 sshd[104370]: Fai ...
show moreActive SSH brute-force detected. Logs: 2026-10-09T17:04:13.367579-04:00 AVM-437690 sshd[104370]: Failed password for root from 171.216.137.55 port 36928 ssh2 2026-10-09T17:04:17.458078-04:00 AVM-437690 sshd[104372]: pam_unix(sshd:auth): authentication ...
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SSH
Brute-Force
Anonymous
2026-10-09T19:41:00.542822+00:00 ebi sshd[1217716]: pam_unix(sshd:auth): authentication failure; log ...
show more2026-10-09T19:41:00.542822+00:00 ebi sshd[1217716]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.216.137.55 user=root
2026-10-09T19:41:02.213992+00:00 ebi sshd[1217716]: Failed password for invalid user root from 171.216.137.55 port 37762 ssh2
2026-10-09T19:41:04.206839+00:00 ebi sshd[1217727]: User root from 171.216.137.55 not allowed because not listed in AllowUsers
...
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SSH Brute force: 89 attempts were recorded from 171.216.137.55
2026-10-09T18:19:42+02:00 Connection ...
show moreSSH Brute force: 89 attempts were recorded from 171.216.137.55
2026-10-09T18:19:42+02:00 Connection closed by authenticating user root 171.216.137.55 port 38553 [preauth]
2026-10-09T18:19:47+02:00 Connection closed by authenticating user root 171.216.137.55 port 38642 [preauth]
2026-10-09T18:19:53+02:00 Connection closed by authenticating user root 171.216.137.55 port 38730 [preauth]
2026-10-09T18:29:42+02:00 Connection closed by authenticating user root 171.216.137.55 port 37889 [preauth]
2026-10-09T18:29:47+02:00 Connection closed by authenticating user root 171.216.137.55 port 37843 [preauth]
2026-10-09T18:29:51+02:00 Connection closed by authenticating user root 171.216.137.55 port 37945 [preauth]
2026-10-09T18:29:56+02:00 Connection closed by authenticating user root 171.216.137.55 port 38735 [preauth]
2026-10-09T18:30:01+02:00 Connection closed by authenticating user root 171.216.1
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Illegal access attempt:2026-10-09T18:03:21.667734+02:00 xn--kster-juait sshd[3546853]: Failed passwo ...
show moreIllegal access attempt:2026-10-09T18:03:21.667734+02:00 xn--kster-juait sshd[3546853]: Failed password for root from 171.216.137.55 port 37046 ssh2
2026-10-09T18:03:23.106954+02:00 xn--kster-juait sshd[3546853]: error: maximum authentication attempts exceeded for root from 171.216.137.55 port 37046 ssh2 [preauth]
...
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2026-10-09T14:57:22.610366+03:00 grape sshd-session[892600]: User root from 171.216.137.55 not allow ...
show more2026-10-09T14:57:22.610366+03:00 grape sshd-session[892600]: User root from 171.216.137.55 not allowed because none of user's groups are listed in AllowGroups
2026-10-09T14:57:23.106622+03:00 grape sshd-session[892604]: Connection from 171.216.137.55 port 38208 on 192.168.0.100 port 22 rdomain ""
2026-10-09T14:57:23.882546+03:00 grape sshd-session[892604]: User root from 171.216.137.55 not allowed because none of user's groups are listed in AllowGroups
2026-10-09T14:57:24.406880+03:00 grape sshd-session[892607]: Connection from 171.216.137.55 port 38246 on 192.168.0.100 port 22 rdomain ""
2026-10-09T14:57:25.215285+03:00 grape sshd-session[892607]: User root from 171.216.137.55 not allowed because none of user's groups are listed in AllowGroups
...
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2026-10-09T09:32:43.643591+00:00 instance-20260914-0258 sshd-session[2105722]: Connection closed by ...
show more2026-10-09T09:32:43.643591+00:00 instance-20260914-0258 sshd-session[2105722]: Connection closed by authenticating user root 171.216.137.55 port 38034 [preauth]
2026-10-09T09:32:45.009720+00:00 instance-20260914-0258 sshd-session[2105724]: Connection closed by authenticating user root 171.216.137.55 port 38577 [preauth]
2026-10-09T09:32:48.235835+00:00 instance-20260914-0258 sshd-session[2105726]: Connection closed by authenticating user root 171.216.137.55 port 38820 [preauth]
...
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