This IP address has been reported a total of
3
times from
3 distinct
sources.
191.6.121.40 was first reported on
June 23rd 2022 , and the most recent report was
8 hours ago United States of America
with 1
report.
The most common categories in these recent reports were:
Bad Web Bot
1
time;
Brute-Force
1
time;
Web App Attack
1
time.
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.
Reporter
IoA Timestamp (UTC)
Comment
Categories
🇺🇸
TPI-Abuse
2026-10-25 16:02:50
(8 hours ago)
(mod_security) mod_security (id:210350) triggered by 191.6.121.40 (191.6.121.40.user.vctelecom.com.b ...
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(mod_security) mod_security (id:210350) triggered by 191.6.121.40 (191.6.121.40.user.vctelecom.com.br): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Sun Oct 25 12:02:41.916920 2026] [security2:error] [pid 17468:tid 17468] [client 191.6.121.40:36086] ModSecurity: Access denied with code 403 (phase 2). Pattern match "\\\\b(close|keep-alive),[\\\\t\\\\n\\\\r ]{0,1}(close|keep-alive)\\\\b" at REQUEST_HEADERS:Connection. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/12_HTTP_Protocol.conf"] [line "70"] [id "210350"] [rev "1"] [msg "COMODO WAF: Multiple/Conflicting Connection Header Data Found||www.circulodesonido.org|F|4"] [data "close, keep-alive"] [severity "WARNING"] [tag "CWAF"] [tag "Protocol"] [hostname "www.circulodesonido.org"] [uri "/"] [unique_id "at4oISeFBmzRk3qKwGl-vAAAAA8"], referer: https://proyectovibra.blogspot.com/
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Brute-Force
Bad Web Bot
Web App Attack
2025-11-25 13:33:44
(11 months ago)
scanning http requests from known botnet
Web App Attack
2022-06-23 06:49:24
(4 years ago)
Jun 23 12:49:23 ns3104219 postfix/smtpd[10592]: NOQUEUE: reject: RCPT from unknown[191.6.121.40]: 45 ...
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Jun 23 12:49:23 ns3104219 postfix/smtpd[10592]: NOQUEUE: reject: RCPT from unknown[191.6.121.40]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [191.6.121.40]; from=<[email protected] > to=<[email protected] > proto=ESMTP helo=<[191.6.121.40]>
...
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Email Spam
Web App Attack
Showing 1 to
3
of 3 reports
