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IP Abuse Reports for 162.4.81.3:
This IP address has been reported a total of
132
times from
95 distinct
sources.
162.4.81.3 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 29
reports;
United States of America
with 14
reports;
France
with 11
reports.
The most common categories in these recent reports were:
Brute-Force
120
times;
Email Spam
19
times;
Hacking
7
times;
Exploited Host
7
times;
Port Scan
5
times;
Other
13
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.
Yesterday, this IP was the source of 8 failed authentications targeting 8 unique usernames on our Ma ...
show moreYesterday, this IP was the source of 8 failed authentications targeting 8 unique usernames on our Mail Server at 216.21.193.119.
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Sep 19 08:11:03 mail postfix/submission/smtpd[2507574]: warning: unknown[162.4.81.3]: SASL LOGIN aut ...
show moreSep 19 08:11:03 mail postfix/submission/smtpd[2507574]: warning: unknown[162.4.81.3]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 19 08:11:03 mail postfix/submission/smtpd[2507574]: lost connection after AUTH from unknown[162.4.81.3]
...
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Brute force attempts using credentials sourced from data dumps used against disabled test email acco ...
show moreBrute force attempts using credentials sourced from data dumps used against disabled test email accounts. SASL LOGIN authentication failed: (reason unavailable), sasl_username=REDACTED
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Automated report from fail2ban on mail.fitzgerald.eu. Jail: dovecot. First seen: 2026-09-18 11:30:14 ...
show moreAutomated report from fail2ban on mail.fitzgerald.eu. Jail: dovecot. First seen: 2026-09-18 11:30:14. Events: 1. Reported by ipdb-security/fitzgerald.eu
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Brute-Force
Anonymous
2026-09-19T02:47:20.965406 biopolis.pcconsultant.it postfix/smtpd[3263441]: warning: unknown[162.4.8 ...
show more2026-09-19T02:47:20.965406 biopolis.pcconsultant.it postfix/smtpd[3263441]: warning: unknown[162.4.81.3]: SASL LOGIN authentication failed: authentication failure, [email protected]
...
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