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189.121.203.5

Recent Activity

Abuse confidence score ?

21% Elevated

25 reports

16 reporters · latest 1 day ago

ISP	Claro NXT Telecomunicacoes Ltda
Usage Type	Fixed Line ISP
ASN	AS28573
Hostname(s)	bd79cb05.virtua.com.br
Domain Name	claro.com.br
Country	🇧🇷 Brazil
City	Sao Paulo, Sao Paulo

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IP Abuse Reports for 189.121.203.5

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This IP address has been reported a total of 25 times from 16 distinct sources. 189.121.203.5 was first reported on March 30th 2021, and the most recent report was 1 day ago. In the last 60 days, the top reporter locations were: United States of America with 3 reports; Switzerland with 1 report. The most common categories in these recent reports were: DDoS Attack 3 times; Bad Web Bot 3 times; Web App Attack 1 time; Brute-Force 1 time; Exploited Host 1 time.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇭 ALPHANET	2026-10-06 07:10:30 (1 day ago)	Botnet or web spider not respecting robots.txt	DDoS Attack Exploited Host
🇺🇸 TPI-Abuse	2026-10-04 11:45:32 (3 days ago)	(mod_security) mod_security (id:210350) triggered by 189.121.203.5 (bd79cb05.virtua.com.br): 1 in th ... show more (mod_security) mod_security (id:210350) triggered by 189.121.203.5 (bd79cb05.virtua.com.br): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Sun Oct 04 07:45:27.698537 2026] [security2:error] [pid 19777:tid 19777] [client 189.121.203.5:6623] 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\|\|socialalchemy.com\|F\|4"] [data "keep-alive, close"] [severity "WARNING"] [tag "CWAF"] [tag "Protocol"] [hostname "socialalchemy.com"] [uri "/"] [unique_id "asI8V1sw4fQYmX9k2Cz1NAAAABM"], referer: https://automaticbacklinksgenerator.online/dir/backlinks-for-business-193444 show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 kosada.com	2026-09-07 04:39:43 (1 month ago)	Repeated requests classified as pathological web bot behavior, for example: /[redacted]/search?f%5B0 ... show more Repeated requests classified as pathological web bot behavior, for example: /[redacted]/search?f%5B0%5D=digest_key_terms%3A319&f%5B1%5D=digest_key_terms%3A331&f%5B2%5D=digest_key_terms%3A507&f%5B3%5D=digest_key_terms%3A525&f%5B4%5D=digest_publication_type%3A927&field_article_edition%5B504%5D=504&field_key_terms%5B329%5D=329 (HTTP/2.0 port 443, user agent: "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	DDoS Attack Bad Web Bot
🇺🇸 kosada.com	2026-08-21 17:19:44 (1 month ago)	Web bot: DDoS	DDoS Attack Bad Web Bot
🇺🇸 kosada.com	2026-08-06 09:19:00 (2 months ago)	Web bot: denial-of-service flood	DDoS Attack Bad Web Bot
🇺🇸 kosada.com	2026-07-26 09:10:16 (2 months ago)	Web bot: denial-of-service flood	DDoS Attack Bad Web Bot
🇺🇸 kosada.com	2026-07-16 11:36:17 (2 months ago)	Web bot: denial-of-service flood	DDoS Attack Bad Web Bot
🇫🇷 Sklurk	2026-07-05 16:44:45 (3 months ago)	Web App Attack	Web App Attack
🇮🇹 A000Z	2026-07-04 01:58:28 (3 months ago)	Fail2Ban: 189.121.203.5 was banned for Aggressive Bad Bot detected by Nginx/Fail2Ban. UA: Mozilla/5. ... show more Fail2Ban: 189.121.203.5 was banned for Aggressive Bad Bot detected by Nginx/Fail2Ban. UA: 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
🇨🇭 ALPHANET	2026-05-26 07:10:29 (4 months ago)	Botnet or web spider not respecting robots.txt	DDoS Attack Exploited Host
Anonymous	2026-03-05 12:34:28 (7 months ago)	Distributed web crawl botnet attack (like Mellowtel), likely illicit scraping of AI training data to ... show more Distributed web crawl botnet attack (like Mellowtel), likely illicit scraping of AI training data to bypass firewall/robots.txt restrictions in email-link.asp show less	Exploited Host Bad Web Bot
🇮🇹 VHosting	2026-02-03 22:37:20 (8 months ago)	Detected mail brute force attack from 4 different servers	Brute-Force
🇮🇹 VHosting	2025-12-25 22:24:24 (9 months ago)	Detected mail brute force attack from 4 different servers	Brute-Force
🇮🇹 VHosting	2025-09-24 00:06:35 (1 year ago)	Detected mail brute force attack from 4 different servers	Brute-Force
🇸🇬 pusathosting.com	2025-09-16 23:30:08 (1 year ago)	2ds22 bruteforce	Brute-Force Web App Attack

Showing 1 to 15 of 25 reports

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