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104.23.172.51

Neutral Activity Whitelisted Subnet

Abuse confidence score ?

0% Low Risk

106 reports

40 reporters · latest 2 days ago

104.23.172.51 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	🇳🇱 Netherlands
City	Amsterdam, North Holland

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

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IP Abuse Reports for 104.23.172.51

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This IP address has been reported a total of 106 times from 40 distinct sources. 104.23.172.51 was first reported on February 28th 2025, and the most recent report was 2 days ago. In the last 60 days, the top reporter locations were: United States of America with 10 reports; Germany with 4 reports; Australia with 1 report. The most common categories in these recent reports were: Web App Attack 13 times; Bad Web Bot 7 times; Brute-Force 6 times; Port Scan 3 times; Hacking 3 times; Other 1 time.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇺🇸 craudiovizai	2026-09-30 12:30:36 (2 days ago)	Automated honeypot detection. honeypot against a Next.js application. Paths: /wp-admin/install.php. ... show more Automated honeypot detection. honeypot against a Next.js application. Paths: /wp-admin/install.php. Blocked at the edge. show less	Web App Attack Bad Web Bot
🇺🇸 TPI-Abuse	2026-09-30 06:21:23 (2 days ago)	(mod_security) mod_security (id:210492) triggered by 104.23.172.51 (-): 1 in the last 300 secs; Port ... show more (mod_security) mod_security (id:210492) triggered by 104.23.172.51 (-): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Wed Sep 30 02:21:17.697344 2026] [security2:error] [pid 7690:tid 7763] [client 104.23.172.51:13841] 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 "forestancestry.com"] [uri "/.git/config"] [unique_id "aryqXb_gzVat45L5LvHI9gAAAI4"] show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 TPI-Abuse	2026-09-29 02:54:24 (3 days ago)	(mod_security) mod_security (id:210492) triggered by 104.23.172.51 (-): 1 in the last 300 secs; Port ... show more (mod_security) mod_security (id:210492) triggered by 104.23.172.51 (-): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Mon Sep 28 22:54:19.897148 2026] [security2:error] [pid 4147:tid 4147] [client 104.23.172.51:11107] 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 "theknowledgemaster.com"] [uri "/.git/config"] [unique_id "arsoW3wBjth1lzur7sKIUQAAAAU"] show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 TPI-Abuse	2026-09-29 01:38:47 (3 days ago)	(mod_security) mod_security (id:210492) triggered by 104.23.172.51 (-): 1 in the last 300 secs; Port ... show more (mod_security) mod_security (id:210492) triggered by 104.23.172.51 (-): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Mon Sep 28 21:38:40.263773 2026] [security2:error] [pid 17382:tid 17382] [client 104.23.172.51:0] ModSecurity: Access denied with code 403 (phase 1). Matched phrase "/.env" 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 "cpanel.webuildbeaches.com"] [uri "/.env.backup"] [unique_id "arsWoOg5wicRAxyB_gIcHgAAAAA"] show less	Brute-Force Bad Web Bot Web App Attack
🇩🇪 LavrinenkoRM	2026-09-28 17:07:50 (4 days ago)	Sentinel WAF: web/lastwar.pp.ua; scanner path; confidence=90; blocked_at=2026-09-28T16:40:54.551581+ ... show more Sentinel WAF: web/lastwar.pp.ua; scanner path; confidence=90; blocked_at=2026-09-28T16:40:54.551581+00:00 show less	Port Scan
🇩🇪 netclix.gr	2026-09-28 09:11:55 (4 days ago)	(bot_kill_mega) Aggressive Bot Blocked: Go-http-client 104.23.172.51 (-): 1 in the last 4600 secs; P ... show more (bot_kill_mega) Aggressive Bot Blocked: Go-http-client 104.23.172.51 (-): 1 in the last 4600 secs; Ports: *; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: 104.23.172.51 - - [28/Sep/2026:12:11:37 +0300] "GET /login_up.php HTTP/2.0" 200 29667 "-" "Go-http-client/1.1" "51.159.91.169"'/login_up.php' '' '/opt/psa/admin/htdocs' show less	Port Scan
🇹🇷 crnpekgoz	2026-09-20 12:19:40 (1 week ago)	Malicious HTTP GET request for '/laravel_web/.env' (HTTP 301) from 104.23.172.51. Threat: Web Güvenl ... show more Malicious HTTP GET request for '/laravel_web/.env' (HTTP 301) from 104.23.172.51. Threat: Web Güvenlik Açığı Taraması (.env/bot). Blocked by WardenGuard Web Shield. show less	Web App Attack
Anonymous	2026-09-11 14:19:51 (3 weeks ago)	Attack detected: 104.23.172.51 [2026-09-11] Categories: 21 --- wp2shell/batch exploit (6 hits) --- 1 ... show more Attack detected: 104.23.172.51 [2026-09-11] Categories: 21 --- wp2shell/batch exploit (6 hits) --- 104.23.172.51 - - [30/Jul/2026:07:54:50 +0000] "POST /wordpress/?rest_route=/batch/v1 HTTP/2.0" 207 971 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/120.0.0.0 Safari/537.36" 104.23.172.51 - - [05/Sep/2026:02:41:19 +0000] "POST /index.php?rest_route=/batch/v1 HTTP/2.0" 207 854 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" 104.23.172.51 - - [05/Sep/2026:02:41:40 +0000] "POST /wp/index.php?rest_route=/batch/v1 HTTP/2.0" 207 854 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" 104.23.172.51 - - [05/Sep/2026:02:41:41 +0000] "POST /wordpress/index.php?rest_route=/batch/v1 HTTP/2.0" 207 74 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" 104.23.172.51 - - [08/Sep/2026:11:46:07 +0000] " show less	Web App Attack
🇦🇺 dyln	2026-09-11 05:04:58 (3 weeks ago)	Dyls honeypot brute-force: proto8 (1 total hits)	Brute-Force
🇩🇪 bescared	2026-09-09 01:48:20 (3 weeks ago)	F2B - Malicious activity detected. URL Probing. -8ff06ede-	Hacking Bad Web Bot Web App Attack
🇫🇮 iamxorum	2026-09-08 21:49:07 (3 weeks ago)	Port scan / reconnaissance probe on closed infrastructure service ports. Log: 2026-09-08T21:49:06.94 ... show more Port scan / reconnaissance probe on closed infrastructure service ports. Log: 2026-09-08T21:49:06.949056+00:00 XRM-01 kernel: [264783.334696] [TRAP:HONEYPORT] IN=eth0 OUT= MAC=REDACTED SRC=104.23.172.51 DST=REDACTED LEN=60 TOS=0x00 PREC=0x00 TTL=53 ID=36457 DF PROTO=TCP SPT=10232 DPT=8443 WINDOW=65535 RES=0x00 SYN URGP=0 ... show less	Port Scan
Anonymous	2026-09-03 00:30:08 (4 weeks ago)	104.23.172.51 arduino.ua [03/Sep/2026:03:30:07 +0300] "GET /wp-content/plugins/woocommerce/readme.tx ... show more 104.23.172.51 arduino.ua [03/Sep/2026:03:30:07 +0300] "GET /wp-content/plugins/woocommerce/readme.txt HTTP/2.0" 404 146 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0" 0.000 2552 ... show less	Hacking SQL Injection Web App Attack
🇩🇪 Grossmann-Gruppe	2026-09-02 01:39:03 (1 month ago)	Plesk Fail2Ban: plesk-modsecurity	Hacking Brute-Force
🇺🇸 TPI-Abuse	2026-08-27 18:40:25 (1 month ago)	(mod_security) mod_security (id:210492) triggered by 104.23.172.51 (-): 1 in the last 300 secs; Port ... show more (mod_security) mod_security (id:210492) triggered by 104.23.172.51 (-): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Thu Aug 27 14:40:18.221933 2026] [security2:error] [pid 2817:tid 2817] [client 104.23.172.51:0] ModSecurity: Access denied with code 403 (phase 1). Matched phrase "/.env" 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 "cpanel.webuildbeaches.com"] [uri "/.env"] [unique_id "apCEkseGbfGyII04Da4-gQAAAA0"] show less	Brute-Force Bad Web Bot Web App Attack
Anonymous	2026-08-27 14:13:47 (1 month ago)	Attack detected: 104.23.172.51 [2026-08-27] Categories: 21 --- wp2shell/batch exploit (2 hits) --- 1 ... show more Attack detected: 104.23.172.51 [2026-08-27] Categories: 21 --- wp2shell/batch exploit (2 hits) --- 104.23.172.51 - - [28/Jul/2026:12:49:12 +0000] "POST /wp/wp-json/batch/v1 HTTP/2.0" 404 39335 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/120.0.0.0 Safari/537.36" 104.23.172.51 - - [30/Jul/2026:07:54:50 +0000] "POST /wordpress/?rest_route=/batch/v1 HTTP/2.0" 207 971 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/120.0.0.0 Safari/537.36" show less	Web App Attack

Showing 1 to 15 of 106 reports

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