Recent Activity
This IP has received recent abuse reports, which causes the score to increase.
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
29
times from
27 distinct
sources.
2604:a880:400:d1:0:5:1122:1001 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
France
with 9
reports;
Germany
with 5
reports;
United States of America
with 3
reports.
The most common categories in these recent reports were:
Brute-Force
22
times;
Email Spam
13
times;
Hacking
4
times;
Port Scan
3
times;
Web App Attack
2
times;
Other
6
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.
2026-09-29T18:33:16.509297 webhost1 postfix/smtpd[830182]: improper command pipelining after CONNECT ...
show more2026-09-29T18:33:16.509297 webhost1 postfix/smtpd[830182]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]: \n
...
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2026-09-29T19:10:16.999585+02:00 kakarott postfix/smtpd[2101022]: improper command pipelining after ...
show more2026-09-29T19:10:16.999585+02:00 kakarott postfix/smtpd[2101022]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]: \n
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Brute-Force
Anonymous
This IP was detected by CrowdSec triggering crowdsecurity/postscreen-rbl
2026-09-29T16:07:58.277922+00:00 stardust postfix/smtpd[717109]: improper command pipelining after C ...
show more2026-09-29T16:07:58.277922+00:00 stardust postfix/smtpd[717109]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]: \n
...
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2026-09-29T15:00:14.042835+02:00 ipoac.nl postfix/smtpd-: improper command pipelining after CONNECT ...
show more2026-09-29T15:00:14.042835+02:00 ipoac.nl postfix/smtpd-: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]:52510: n
2026-09-29T16:21:27.112068+02:00 ipoac.nl postfix/smtpd-: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]:50044: n
2026-09-29T16:45:27.545576+02:00 ipoac.nl postfix/smtpd-: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]:39808: n
2026-09-29T17:28:08.416669+02:00 ipoac.nl postfix/smtpd-: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]:39624: n
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COMMAND TIME LIMIT, PREGREET and BARE NEWLINE from [2604:a880:400:d1:0:5:1122:1001] after UNIMPLEMEN ...
show moreCOMMAND TIME LIMIT, PREGREET and BARE NEWLINE from [2604:a880:400:d1:0:5:1122:1001] after UNIMPLEMENTED
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2026-09-29T23:50:01.933551+09:00 ssv01 postfix/smtpd[1643473]: improper command pipelining after CON ...
show more2026-09-29T23:50:01.933551+09:00 ssv01 postfix/smtpd[1643473]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]: \n
...
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2026-09-29T07:30:00.195985-05:00 ogbc.ogbcashdown.org fail2ban.actions[384371]: NOTICE [pregreet] Ba ...
show more2026-09-29T07:30:00.195985-05:00 ogbc.ogbcashdown.org fail2ban.actions[384371]: NOTICE [pregreet] Ban 2604:a880:400:d1:0:5:1122:1001
2026-09-29T09:14:52.613699-05:00 ogbc.ogbcashdown.org fail2ban.actions[384371]: NOTICE [pregreet] Ban 2604:a880:400:d1:0:5:1122:1001
...
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Sep 29 08:13:08 [redacted] postfix/smtpd[1003966]: lost connection after CONNECT from unknown[2604:a ...
show moreSep 29 08:13:08 [redacted] postfix/smtpd[1003966]: lost connection after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]
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Sep 29 16:05:34 server postfix/smtpd[3496263]: improper command pipelining after CONNECT from unknow ...
show moreSep 29 16:05:34 server postfix/smtpd[3496263]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]: \n
...
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Known exploit / shellcode injection attempt / network protocol violation, may be port scanning false ...
show moreKnown exploit / shellcode injection attempt / network protocol violation, may be port scanning false positive
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2026-09-29T22:20:45.741484+09:00 ssv02 postfix/smtpd[1604798]: improper command pipelining after CON ...
show more2026-09-29T22:20:45.741484+09:00 ssv02 postfix/smtpd[1604798]: improper command pipelining after CONNECT from unknown[2604:a880:400:d1:0:5:1122:1001]: \n
...
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