This IP address has been reported a total of
26
times from
25 distinct
sources.
131.143.104.211 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 4
reports;
Indonesia
with 3
reports;
Italy
with 2
reports.
The most common categories in these recent reports were:
Brute-Force
26
times;
Email Spam
2
times;
Bad Web Bot
1
time;
Web App Attack
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.
Lisa OpenDesk Protection (LODP): mail server credential brute-force. 1 failed logins against 1 accou ...
show moreLisa OpenDesk Protection (LODP): mail server credential brute-force. 1 failed logins against 1 account(s) on 1 domain(s) via SMTP in the last 24 hours. Blocked at the perimeter firewall.
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Suspicious activity detected from IP 131.143.104.211 based on mailserver logs.
Sample logs:
2026-10- ...
show moreSuspicious activity detected from IP 131.143.104.211 based on mailserver logs.
Sample logs:
2026-10-06 01:06:34,894 INFO [qtp2102534528-618133] [ip=172.16.0.182;oip=131.143.104.211;oport=49185;oproto=smtp;port=48658;soapId=3666cb5a;] SoapEngine - handler exception: authentication failed for [**], account not found
2026-10-06 01:06:34,894 INFO [qtp2102534528-618133] [ip=172.16.0.182;oip=131.143.104.211;oport=49185;oproto=smtp;port=48658;soapId=3666cb5a;] soap - AuthRequest elapsed=1
2026-10-06 01:06:42,287 INFO [qtp2102534528-618145] [ip=172.16.0.182;oip=131.143.104.211;oport=51050;oproto=smtp;port=43964;soapId=3666cb5b;] account - Error occurred during authentication: authentication failed for [**]. Reason: account not found.
2026-10-06 01:06:42,287 INFO [qtp2102534528-618145] [ip=172.16.0.182;oip=131.143.104.211;oport=51050;oproto=smtp;port=43964;soapId=3666cb5b;] SoapEngine - handler exception: authentication failed for [**], account not found
2026-10-06 01:06:42,287 INFO [qtp21
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