Activity Trending Down
This IP hasn't received reports recently, which causes the score to decay.
IPv6 SLAAC Note
Public IPv6 addresses may implement the SLAAC
privacy extension. With SLAAC, the interface identifier is randomly generated. SLAAC also implements a
configurable time out, so that the original IPv6 interface addresses will be discarded in favor of a new
interface identifier.
This IP address has been reported a total of
28
times from
26 distinct
sources.
2604:a880:400:d1:0:4:f27e:4001 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
France
with 7
reports;
Germany
with 4
reports;
United States of America
with 4
reports.
The most common categories in these recent reports were:
Brute-Force
21
times;
Email Spam
11
times;
Hacking
4
times;
Port Scan
4
times;
Web App Attack
2
times;
Other
7
times.
Old Reports
The most recent abuse report for this IP address is from
. It is possible that this IP is no
longer involved in abusive activities.
2026-09-09T10:47:00.260032+02:00 ipoac.nl postfix/smtpd-: improper command pipelining after CONNECT ...
show more2026-09-09T10:47:00.260032+02:00 ipoac.nl postfix/smtpd-: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]:38692: n
2026-09-09T12:18:07.087838+02:00 ipoac.nl postfix/smtpd-: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]:36764: n
2026-09-09T12:22:54.241474+02:00 ipoac.nl postfix/smtpd-: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]:44090: n
2026-09-09T14:01:09.742246+02:00 ipoac.nl postfix/smtpd-: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]:58740: n
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Sep 9 13:43:17 nanto postfix/smtpd[1961473]: improper command pipelining after CONNECT from unknown ...
show moreSep 9 13:43:17 nanto postfix/smtpd[1961473]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]: \n
...
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Automated sensor: 3 SMTP, SMTP-AUTH brute-force attempts over the last 24h (latest 2026-09-09T11:29Z ...
show moreAutomated sensor: 3 SMTP, SMTP-AUTH brute-force attempts over the last 24h (latest 2026-09-09T11:29Z).
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2026-09-09T13:03:46.061157+02:00 vegeta postfix/smtpd[1768938]: improper command pipelining after CO ...
show more2026-09-09T13:03:46.061157+02:00 vegeta postfix/smtpd[1768938]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]: \n
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2026-09-09T19:53:39.460046+09:00 ssv02 postfix/smtpd[2259658]: improper command pipelining after CON ...
show more2026-09-09T19:53:39.460046+09:00 ssv02 postfix/smtpd[2259658]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]: \n
...
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2026-09-09T19:15:14.455657+09:00 ssv01 postfix/smtpd[2233333]: improper command pipelining after CON ...
show more2026-09-09T19:15:14.455657+09:00 ssv01 postfix/smtpd[2233333]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]: \n
...
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2026-09-09T12:04:19.568374+02:00 kakarott postfix/smtpd[1140843]: improper command pipelining after ...
show more2026-09-09T12:04:19.568374+02:00 kakarott postfix/smtpd[1140843]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]: \n
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2026-09-09T02:15:58.886983-05:00 ogbc.ogbcashdown.org fail2ban.actions[747]: NOTICE [pregreet] Ban 2 ...
show more2026-09-09T02:15:58.886983-05:00 ogbc.ogbcashdown.org fail2ban.actions[747]: NOTICE [pregreet] Ban 2604:a880:400:d1:0:4:f27e:4001
2026-09-09T05:03:06.548236-05:00 ogbc.ogbcashdown.org fail2ban.actions[747]: NOTICE [pregreet] Ban 2604:a880:400:d1:0:4:f27e:4001
...
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Sep 9 11:20:13 server postfix/smtpd[236071]: improper command pipelining after CONNECT from unknown ...
show moreSep 9 11:20:13 server postfix/smtpd[236071]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]: \n
...
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2026-09-09T09:09:42.729664+00:00 stardust postfix/smtpd[2108846]: improper command pipelining after ...
show more2026-09-09T09:09:42.729664+00:00 stardust postfix/smtpd[2108846]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:4:f27e:4001]: \n
...
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