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IP Abuse Reports for 109.138.143.81:
This IP address has been reported a total of
28
times from
23 distinct
sources.
109.138.143.81 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 7
reports;
Italy
with 5
reports;
Czechia
with 3
reports.
The most common categories in these recent reports were:
Brute-Force
24
times;
Email Spam
4
times;
Port Scan
4
times;
Hacking
3
times;
SSH
1
time;
Other
2
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.
Sep 8 22:44:20 mail postfix/submission/smtpd[58157]: warning: unknown[109.138.143.81]: SASL PLAIN a ...
show moreSep 8 22:44:20 mail postfix/submission/smtpd[58157]: warning: unknown[109.138.143.81]: SASL PLAIN authentication failed: authentication failure
show less
Fail2Ban report from jail 'postfix': 2026-09-06T16:07:29.430203+02:00 mail postfix/submission/smtpd[ ...
show moreFail2Ban report from jail 'postfix': 2026-09-06T16:07:29.430203+02:00 mail postfix/submission/smtpd[2477036]: warning: unknown[109.138.143.81]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
...
show less
(postfix-unknown) Failed postfix unknown login with username [redacted] from 109.138.143.81 (BE/Belg ...
show more(postfix-unknown) Failed postfix unknown login with username [redacted] from 109.138.143.81 (BE/Belgium/81.143-138-109.fia-dyn.isp.proximus.be)
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Email account brute force: 1 attempts were recorded from 109.138.143.81
2026-09-05T18:38:21+02:00 wa ...
show moreEmail account brute force: 1 attempts were recorded from 109.138.143.81
2026-09-05T18:38:21+02:00 warning: unknown[109.138.143.81]: SASL PLAIN authentication failed: authentication failure, [email protected]show less