This IP address has been reported a total of
6
times from
6 distinct
sources.
181.66.156.191 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 2
reports;
Austria
with 1
report;
Finland
with 1
report.
The most common categories in these recent reports were:
Brute-Force
5
times;
SSH
5
times;
Port Scan
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.
2026-10-13T21:44:45.994226+00:00 xtom-vm-cloud-2c1g-fra sshd-session[242233]: Invalid user prtg from ...
show more2026-10-13T21:44:45.994226+00:00 xtom-vm-cloud-2c1g-fra sshd-session[242233]: Invalid user prtg from 181.66.156.191 port 37419
2026-10-13T21:46:56.725616+00:00 xtom-vm-cloud-2c1g-fra sshd-session[242247]: Invalid user ts3 from 181.66.156.191 port 40539
2026-10-13T21:49:17.845713+00:00 xtom-vm-cloud-2c1g-fra sshd-session[242265]: Invalid user student from 181.66.156.191 port 36595
...
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Oct 13 21:40:14 obsidian sshd[780676]: Failed password for root from 181.66.156.191 port 37058 ssh2
...
show moreOct 13 21:40:14 obsidian sshd[780676]: Failed password for root from 181.66.156.191 port 37058 ssh2
Oct 13 21:45:43 obsidian sshd[793942]: Invalid user prtg from 181.66.156.191 port 43209
Oct 13 21:48:03 obsidian sshd[797459]: Invalid user ts3 from 181.66.156.191 port 36683
...
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Brute-Force
SSH
Anonymous
2026-10-13T23:38:33.419726+02:00 smvps001 sshd-session[3695404]: Disconnected from authenticating us ...
show more2026-10-13T23:38:33.419726+02:00 smvps001 sshd-session[3695404]: Disconnected from authenticating user root 181.66.156.191 port 39961 [preauth]
2026-10-13T23:45:22.959074+02:00 smvps001 sshd-session[3695768]: Invalid user prtg from 181.66.156.191 port 41419
2026-10-13T23:45:23.152622+02:00 smvps001 sshd-session[3695768]: Disconnected from invalid user prtg 181.66.156.191 port 41419 [preauth]
...
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Oct 13 21:35:58 vps-eb8e942e sshd-session[2252304]: Disconnected from invalid user root 181.66.156.1 ...
show moreOct 13 21:35:58 vps-eb8e942e sshd-session[2252304]: Disconnected from invalid user root 181.66.156.191 port 37905 [preauth]
Oct 13 21:44:48 vps-eb8e942e sshd-session[2252753]: Connection from 181.66.156.191 port 44042 on 57.128.195.69 port 2222 rdomain ""
Oct 13 21:44:49 vps-eb8e942e sshd-session[2252753]: Invalid user prtg from 181.66.156.191 port 44042
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