This IP address has been reported a total of
128
times from
89 distinct
sources.
192.81.135.55 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 38
reports;
United States of America
with 29
reports;
Netherlands
with 16
reports.
The most common categories in these recent reports were:
SSH
113
times;
Brute-Force
110
times;
Port Scan
7
times;
Exploited Host
2
times;
Hacking
2
times;
Other
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.
2026-09-28 05:27:31.121542-0500 localhost sshd-session[72975]: Failed password for root from 192.81 ...
show more2026-09-28 05:27:31.121542-0500 localhost sshd-session[72975]: Failed password for root from 192.81.135.55 port 53264 ssh2
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2026-09-28T08:50:05.268546+00:00 fleur.lavnet.net sshd[32147]: Invalid user link from 192.81.135.55 ...
show more2026-09-28T08:50:05.268546+00:00 fleur.lavnet.net sshd[32147]: Invalid user link from 192.81.135.55 port 46638
2026-09-28T09:57:29.823612+00:00 fleur.lavnet.net sshd[37894]: Invalid user admin from 192.81.135.55 port 44644
...
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2026-09-28T10:39:43.616135+02:00 admin sshd[2668498]: Failed password for invalid user link from 192 ...
show more2026-09-28T10:39:43.616135+02:00 admin sshd[2668498]: Failed password for invalid user link from 192.81.135.55 port 56336 ssh2
2026-09-28T11:25:52.264542+02:00 admin sshd[2672791]: Invalid user admin from 192.81.135.55 port 52456
2026-09-28T11:25:52.660741+02:00 admin sshd[2672791]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.81.135.55
2026-09-28T11:25:54.808404+02:00 admin sshd[2672791]: Failed password for invalid user admin from 192.81.135.55 port 52456 ssh2
2026-09-28T11:56:48.594039+02:00 admin sshd[2675270]: Invalid user admin from 192.81.135.55 port 44986
...
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Brute-Force
SSH
Anonymous
2026-09-28T11:55:14.997522+02:00 hosting15 sshd[3293549]: Invalid user admin from 192.81.135.55 port ...
show more2026-09-28T11:55:14.997522+02:00 hosting15 sshd[3293549]: Invalid user admin from 192.81.135.55 port 37104
2026-09-28T11:55:15.517570+02:00 hosting15 sshd[3293549]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.81.135.55
2026-09-28T11:55:17.029096+02:00 hosting15 sshd[3293549]: Failed password for invalid user admin from 192.81.135.55 port 37104 ssh2
...
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Sep 28 11:27:16 pegasus sshd[3672184]: Invalid user admin from 192.81.135.55 port 60238
Sep 28 11:27 ...
show moreSep 28 11:27:16 pegasus sshd[3672184]: Invalid user admin from 192.81.135.55 port 60238
Sep 28 11:27:17 pegasus sshd[3672184]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.81.135.55
Sep 28 11:27:19 pegasus sshd[3672184]: Failed password for invalid user admin from 192.81.135.55 port 60238 ssh2
Sep 28 11:27:44 pegasus sshd[3672256]: Invalid user admin from 192.81.135.55 port 37508
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2026-09-28T11:20:04.603550+02:00 jadzia sshd-session[1186369]: Connection closed by 192.81.135.55 po ...
show more2026-09-28T11:20:04.603550+02:00 jadzia sshd-session[1186369]: Connection closed by 192.81.135.55 port 60574 [preauth]
2026-09-28T11:22:20.150963+02:00 jadzia sshd-session[1186514]: Invalid user admin from 192.81.135.55 port 32974
2026-09-28T11:22:21.004317+02:00 jadzia sshd-session[1186514]: Connection closed by invalid user admin 192.81.135.55 port 32974 [preauth]
2026-09-28T11:25:21.534228+02:00 jadzia sshd-session[1186683]: Invalid user admin from 192.81.135.55 port 56758
2026-09-28T11:25:22.022750+02:00 jadzia sshd-session[1186683]: Connection closed by invalid user admin 192.81.135.55 port 56758 [preauth]
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SSH brute force attack detected: 6 failed attempts
Brute-Force
Anonymous
2026-09-28T04:45:12.805370-04:00 vps3407359 sshd-session[684970]: Invalid user link from 192.81.135. ...
show more2026-09-28T04:45:12.805370-04:00 vps3407359 sshd-session[684970]: Invalid user link from 192.81.135.55 port 45434
2026-09-28T05:16:13.910778-04:00 vps3407359 sshd-session[685759]: Invalid user admin from 192.81.135.55 port 35622
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2026-09-28T11:08:35.265922+02:00 ipi sshd[1257340]: pam_unix(sshd:auth): authentication failure; log ...
show more2026-09-28T11:08:35.265922+02:00 ipi sshd[1257340]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.81.135.55
2026-09-28T11:08:38.051991+02:00 ipi sshd[1257340]: Failed password for invalid user link from 192.81.135.55 port 37594 ssh2
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