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IP Abuse Reports for 23.239.21.103:
This IP address has been reported a total of
425
times from
124 distinct
sources.
23.239.21.103 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
United States of America
with 129
reports;
Germany
with 27
reports;
France
with 16
reports.
The most common categories in these recent reports were:
Port Scan
180
times;
Hacking
30
times;
Web App Attack
11
times;
Brute-Force
11
times;
Exploited Host
7
times;
Other
18
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.
LF_EXIMSYNTAX: (eximsyntax) Exim syntax errors from 23.239.21.103 (US/United States/prod-barium-us-w ...
show moreLF_EXIMSYNTAX: (eximsyntax) Exim syntax errors from 23.239.21.103 (US/United States/prod-barium-us-west-30.li.binaryedge.ninja): 2 in the last 3600 secs
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Rejected activity against our mail infrastructure (1 hits, first seen 2026-08-21 UTC).
Log evidence: ...
show moreRejected activity against our mail infrastructure (1 hits, first seen 2026-08-21 UTC).
Log evidence:
2026-08-21 17:41:48.997 [980723] rejected EHLO from prod-barium-us-west-30.li.binaryedge.ninja [23.239.21.103]:60038 I=[176.223.227.38]:465 Ci=980723: syntactically invalid argument(s): (no argument given)
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Aug 21 04:03:30 nanto postfix/smtpd[1113323]: improper command pipelining after CONNECT from prod-ba ...
show moreAug 21 04:03:30 nanto postfix/smtpd[1113323]: improper command pipelining after CONNECT from prod-barium-us-west-30.li.binaryedge.ninja[23.239.21.103]: \026\003\001\000\372\001\000\000\366\003\003v\226\231k\022[\000\360\375\234\245\nJ\247\302\246uA\321\325\345AnH\242\316^\214\205 \211\203 \033aI\220`W%\354\311]t\000\037\333Jd\336\032\3157\004\231\272CK:\016\034r\213\fR\0002\300#\300\n\300,\300\023\3000\300\t\300\a\000\005\300+\300\022\000/
...
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Unsolicited TCP connection from 23.239.21.103 to port 0 at 2026-08-21T01:56:20Z. Source IP completed ...
show moreUnsolicited TCP connection from 23.239.21.103 to port 0 at 2026-08-21T01:56:20Z. Source IP completed three-way handshake to non-public service on this host. Detected by automated intrusion monitoring.
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Blocked by UFW (TCP on 1444)
Source port: 57644
TTL: 241
Packet length: 44
TOS: 0x00
This report (f ...
show moreBlocked by UFW (TCP on 1444)
Source port: 57644
TTL: 241
Packet length: 44
TOS: 0x00
This report (for 23.239.21.103) was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
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