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191.53.156.75

Recent Activity

Abuse Confidence Score

5% Caution

2 reports

2 reporters · latest 12 minutes ago

ISP: MASTER S/A
Usage Type: Fixed Line ISP
ASN: AS28202
Domain Name: mastercabo.com.br
Country: 🇧🇷 Brazil
City: Campos do Jordao, Sao Paulo

ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

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Abuse Reports

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Total reports

2 from 2 distinct reporters

First reported

May 27th 2026

Most recent report

12 minutes ago

Last 60 days

Top reporter locations 🇺🇸 United States of America 1

Most common categories Bad Web Bot 1 Web App Attack 1 Brute-Force 1

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	2026-11-15 12:40:58 UTC · (12 minutes ago)	(mod_security) mod_security (id:210350) triggered by 191.53.156.75 (191-53-156-75.lna-fb.mastercabo.com.br): 1 in the last 300 secs; Ports: ; Direction: 1; Trigger: LF_MODSEC; Logs: [Sun Nov 15 07:40:49.097374 2026] [security2:error] [pid 25634:tid ... show more (mod_security) mod_security (id:210350) triggered by 191.53.156.75 (191-53-156-75.lna-fb.mastercabo.com.br): 1 in the last 300 secs; Ports: ; Direction: 1; Trigger: LF_MODSEC; Logs: [Sun Nov 15 07:40:49.097374 2026] [security2:error] [pid 25634:tid 25756] [client 191.53.156.75:42230] 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\|\|royaleconomicsacademy.com\|F\|4"] [data "close, keep-alive"] [severity "WARNING"] [tag "CWAF"] [tag "Protocol"] [hostname "royaleconomicsacademy.com"] [uri "/"] [unique_id "avmoUVmT65NBawRw5yzXtgAAAgg"], referer: https://aafm.us/ show less	Brute-Force Bad Web Bot Web App Attack
🇩🇪 SMARTNET	2026-05-27 06:03:53 UTC · (5 months ago)	Aisuru(Mirai variant) DDoS \| Incident ID: e316b406-db2c-400a-bc37-dfbfcc0acc61	DDoS Attack

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