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181.191.61.21

Recent Activity

Abuse confidence score ?

34% Elevated

23 reports

13 reporters · latest 21 hours ago

ISP	LEX TELECOM LTDA ME
Usage Type	Fixed Line ISP
ASN	AS267428
Domain Name	henrique.solutions
Country	🇧🇷 Brazil
City	Sao Bernardo do Campo, Sao Paulo

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IP Abuse Reports for 181.191.61.21

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This IP address has been reported a total of 23 times from 13 distinct sources. 181.191.61.21 was first reported on November 10th 2022, and the most recent report was 21 hours ago. In the last 60 days, the top reporter locations were: United States of America with 15 reports; Switzerland with 1 report; Italy with 1 report. The most common categories in these recent reports were: Bad Web Bot 16 times; DDoS Attack 4 times; Exploited Host 2 times; Brute-Force 1 time; Web App Attack 1 time; Other 1 time.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇭 ALPHANET	2026-10-18 07:25:12 (21 hours ago)	Botnet or web spider not respecting robots.txt	DDoS Attack Exploited Host
🇺🇸 TPI-Abuse	2026-09-28 21:52:17 (2 weeks ago)	(mod_security) mod_security (id:210350) triggered by 181.191.61.21 (-): 1 in the last 300 secs; Port ... show more (mod_security) mod_security (id:210350) triggered by 181.191.61.21 (-): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Mon Sep 28 17:52:12.539419 2026] [security2:error] [pid 27057:tid 27057] [client 181.191.61.21:41090] 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\|\|ralphharris.org\|F\|4"] [data "keep-alive, close"] [severity "WARNING"] [tag "CWAF"] [tag "Protocol"] [hostname "ralphharris.org"] [uri "/contact/"] [unique_id "arrhjBwyW-Nm8_PGyrhluAAAABQ"], referer: https://ralphharris.org/life-happens-on-the-playground-4 show less	Brute-Force Bad Web Bot Web App Attack
🇮🇹 A000Z	2026-09-25 00:42:30 (3 weeks ago)	Fail2Ban: 181.191.61.21 was banned for Aggressive Bad Bot detected by Nginx/Fail2Ban. UA: Mozilla/5. ... show more Fail2Ban: 181.191.61.21 was banned for Aggressive Bad Bot detected by Nginx/Fail2Ban. UA: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 show less	Bad Web Bot
🇺🇸 鬼影233	2026-09-24 17:13:47 (3 weeks ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Sa ... show more Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 show less	Bad Web Bot
🇺🇸 funny_fraggler	2026-09-23 02:34:13 (3 weeks ago)	Rotating IP address used for illicit scraping / layer 7 DDOS.	VPN IP Bad Web Bot
🇺🇸 鬼影233	2026-09-22 09:54:54 (3 weeks ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Sa ... show more Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 Edg/145.0.0.0 show less	Bad Web Bot
🇺🇸 鬼影233	2026-09-22 06:08:45 (3 weeks ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Sa ... show more Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 show less	Bad Web Bot
🇺🇸 鬼影233	2026-09-22 03:56:12 (3 weeks ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Sa ... show more Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 show less	Bad Web Bot
🇺🇸 SX Communications	2026-09-21 05:40:37 (3 weeks ago)	HTTP application-layer DoS / botnet traffic from 181.191.61.21: repeated high-cost dynamic page and ... show more HTTP application-layer DoS / botnet traffic from 181.191.61.21: repeated high-cost dynamic page and feed requests (profile/tag views, forums, tracker, RSS) at abusive rates via completed TCP/HTTPS. Likely compromised end-user host. show less	DDoS Attack Bad Web Bot Exploited Host
🇺🇸 鬼影233	2026-09-19 08:10:01 (4 weeks ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Sa ... show more Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 Edg/145.0.0.0 show less	Bad Web Bot
🇺🇸 kosada.com	2026-09-19 03:21:24 (1 month ago)	Repeated requests classified as pathological web bot behavior, for example: /[redacted]?topics[34]=4 ... show more Repeated requests classified as pathological web bot behavior, for example: /[redacted]?topics[34]=40&topics[35]=81&topics[36]=27&topics[37]=28 (HTTP/2.0 port 443, user agent: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36") show less	DDoS Attack Bad Web Bot
🇺🇸 鬼影233	2026-09-17 08:12:46 (1 month ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Sa ... show more Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 show less	Bad Web Bot
🇺🇸 鬼影233	2026-09-12 10:46:57 (1 month ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Sa ... show more Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 show less	Bad Web Bot
🇺🇸 鬼影233	2026-08-30 04:09:30 (1 month ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Sa ... show more Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 Edg/144.0.0.0 show less	Bad Web Bot
🇺🇸 鬼影233	2026-08-26 06:53:33 (1 month ago)	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0. ... show more Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 show less	Bad Web Bot

Showing 1 to 15 of 23 reports

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