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104.23.175.21

Neutral Activity Whitelisted Subnet

Abuse confidence score ?

0% Low Risk

70 reports

22 reporters · latest 20 hours ago

104.23.175.21 is an IP address from within our whitelist belonging to the subnet 104.16.0.0/13, which we identify as "Cloudflare Reverse Proxy".

ISP	Cloudflare, Inc.
Usage Type	Data Center/Web Hosting/Transit
ASN	AS13335
Domain Name	cloudflare.com
Country	🇸🇬 Singapore
City	Singapore

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

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IP Abuse Reports for 104.23.175.21

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This IP address has been reported a total of 70 times from 22 distinct sources. 104.23.175.21 was first reported on March 28th 2025, and the most recent report was 20 hours ago. In the last 60 days, the top reporter locations were: United States of America with 6 reports; Belgium with 3 reports; Czechia with 1 report. The most common categories in these recent reports were: Web App Attack 10 times; Bad Web Bot 5 times; Brute-Force 5 times; Exploited Host 1 time; Hacking 1 time; Other 1 time.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇧🇪 madeit	2026-10-06 19:58:40 (20 hours ago)		Web App Attack
🇩🇪 wpadm3	2026-09-26 11:43:52 (1 week ago)	(wordpress) Failed login wp-login.php or xmlrpc.php	Web App Attack
Anonymous	2026-09-19 16:00:05 (2 weeks ago)	\| Multiple common web attacks from same source ip. (multiple servers)	Web App Attack Hacking SQL Injection
🇧🇪 madeit	2026-09-12 12:39:23 (3 weeks ago)		Web App Attack
🇺🇸 TPI-Abuse	2026-08-17 08:14:15 (1 month ago)	(mod_security) mod_security (id:210492) triggered by 104.23.175.21 (-): 1 in the last 300 secs; Port ... show more (mod_security) mod_security (id:210492) triggered by 104.23.175.21 (-): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Mon Aug 17 04:14:07.323542 2026] [security2:error] [pid 24888:tid 24888] [client 104.23.175.21:11567] ModSecurity: Access denied with code 403 (phase 1). Matched phrase "/.git/" at REQUEST_URI. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/02_Global_Generic.conf"] [line "117"] [id "210492"] [rev "3"] [severity "CRITICAL"] [tag "CWAF"] [tag "Generic"] [hostname "famagustacyprus.eu"] [uri "/.git/config"] [unique_id "aoLCz1yx93bD72gfy-ic-AAAAAk"] show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 TPI-Abuse	2026-08-17 05:54:17 (1 month ago)	(mod_security) mod_security (id:210492) triggered by 104.23.175.21 (-): 1 in the last 300 secs; Port ... show more (mod_security) mod_security (id:210492) triggered by 104.23.175.21 (-): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Mon Aug 17 01:54:12.886661 2026] [security2:error] [pid 27668:tid 27668] [client 104.23.175.21:9364] ModSecurity: Access denied with code 403 (phase 1). Matched phrase "/.git/" at REQUEST_URI. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/02_Global_Generic.conf"] [line "117"] [id "210492"] [rev "3"] [severity "CRITICAL"] [tag "CWAF"] [tag "Generic"] [hostname "mail.raystransmission.com"] [uri "/.git/config"] [unique_id "aoKiBO4M5ocFT0fMJUgtdwAAAAQ"] show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 TPI-Abuse	2026-08-17 02:52:40 (1 month ago)	(mod_security) mod_security (id:210492) triggered by 104.23.175.21 (-): 1 in the last 300 secs; Port ... show more (mod_security) mod_security (id:210492) triggered by 104.23.175.21 (-): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Sun Aug 16 22:52:33.978133 2026] [security2:error] [pid 22587:tid 22587] [client 104.23.175.21:14301] ModSecurity: Access denied with code 403 (phase 1). Matched phrase "/.git/" at REQUEST_URI. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/02_Global_Generic.conf"] [line "120"] [id "210492"] [rev "3"] [severity "CRITICAL"] [tag "CWAF"] [tag "Generic"] [hostname "webmail.yeswedeliver.org"] [uri "/.git/config"] [unique_id "aoJ3cei_mfzcWAalNOH2egAAADI"] show less	Brute-Force Bad Web Bot Web App Attack
Anonymous	2026-08-16 16:32:18 (1 month ago)	Failed login attempt detected by Fail2Ban in plesk-modsecurity jail	Exploited Host
🇺🇸 TPI-Abuse	2026-08-16 08:16:29 (1 month ago)	(mod_security) mod_security (id:210492) triggered by 104.23.175.21 (-): 1 in the last 300 secs; Port ... show more (mod_security) mod_security (id:210492) triggered by 104.23.175.21 (-): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Sun Aug 16 04:16:23.467156 2026] [security2:error] [pid 30185:tid 30185] [client 104.23.175.21:11091] ModSecurity: Access denied with code 403 (phase 1). Matched phrase "/.git/" at REQUEST_URI. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/02_Global_Generic.conf"] [line "120"] [id "210492"] [rev "3"] [severity "CRITICAL"] [tag "CWAF"] [tag "Generic"] [hostname "cpanel.blanchebb.com"] [uri "/.git/config"] [unique_id "aoFx15JZy8omf5TaE_0eYAAAABk"] show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 TPI-Abuse	2026-08-16 08:00:50 (1 month ago)	(mod_security) mod_security (id:210492) triggered by 104.23.175.21 (-): 1 in the last 300 secs; Port ... show more (mod_security) mod_security (id:210492) triggered by 104.23.175.21 (-): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Sun Aug 16 04:00:46.768939 2026] [security2:error] [pid 24045:tid 24045] [client 104.23.175.21:9307] ModSecurity: Access denied with code 403 (phase 1). Matched phrase "/.git/" at REQUEST_URI. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/02_Global_Generic.conf"] [line "117"] [id "210492"] [rev "3"] [severity "CRITICAL"] [tag "CWAF"] [tag "Generic"] [hostname "webmail.dc406.org"] [uri "/.git/HEAD"] [unique_id "aoFuLufO7jwJcj9_TiimEAAAABA"] show less	Brute-Force Bad Web Bot Web App Attack
🇧🇪 madeit	2026-08-16 05:19:17 (1 month ago)		Web App Attack
🇺🇸 ratcarcher-labs	2026-08-04 17:36:18 (2 months ago)	[Ratcarcher Labs/MutantShield honeypot CTI] actor=human vector=brute_force_auth risk=80 attacks=30 d ... show more [Ratcarcher Labs/MutantShield honeypot CTI] actor=human vector=brute_force_auth risk=80 attacks=30 depth=3 node=node-ap-south canary=no human_score=75 agentic=55 cc=SG asn=Cloudflare, Inc. \| Data provided by Ratcarcher Labs · https://ratcarcher-labs.com · docs https://api.ratcarcher-labs.com/api/v1/public/docs show less	Brute-Force SSH
🇳🇱 homeshowdomain.nl	2026-07-22 21:59:29 (2 months ago)	Auto-ban: >3000 req/min op 2026-07-22	Web App Attack SSH Hacking
🇺🇸 mnsf	2026-06-17 00:23:58 (3 months ago)	Abuse Detected (1)	Brute-Force Web App Attack
🇦🇺 oncord	2026-06-10 17:07:47 (3 months ago)	Form spam	Web Spam

Showing 1 to 15 of 70 reports

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