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AbuseIPDB » 23.99.131.37

23.99.131.37 was found in our database!

This IP was reported 64 times. Confidence of Abuse is 100%: ?

100%

ISP	Microsoft Corporation
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Domain Name	microsoft.com
Country	🇺🇸 United States of America
City	Des Moines, Iowa

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

Report 23.99.131.37

Whois 23.99.131.37

IP Abuse Reports for 23.99.131.37:

This IP address has been reported a total of 64 times from 60 distinct sources. 23.99.131.37 was first reported on June 22nd 2026, and the most recent report was 7 minutes ago.

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
Anonymous	2026-06-22 22:45:01 (7 minutes ago)	Admin access attempt: 23.99.131.37 - - [22/Jun/2026:23:44:50 +0100] "GET /admin.php HTTP/1.1" 404 2 ... show more Admin access attempt: 23.99.131.37 - - [22/Jun/2026:23:44:50 +0100] "GET /admin.php HTTP/1.1" 404 246 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" show less	Hacking Web App Attack
Anonymous	2026-06-22 22:43:32 (8 minutes ago)	(caddyscan) Scanner path probe from 23.99.131.37 (US/United States/-): 5 in the last 3600 secs; Port ... show more (caddyscan) Scanner path probe from 23.99.131.37 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: [REDACTED] 200 2627 23.99.131.37 - - [22/Jun/2026:22:05:50 +0000] "GET /wp-admin/user.php HTTP/1.1" [REDACTED] 200 2627 23.99.131.37 - - [22/Jun/2026:22:05:51 +0000] "GET /wp-login.php HTTP/1.1" [REDACTED] 200 2627 23.99.131.37 - - [22/Jun/2026:22:05:51 +0000] "GET /xmlrpc.php HTTP/1.1" [REDACTED] 200 2627 23.99.131.37 - - [22/Jun/2026:22:05:51 +0000] "GET /wp-admin/css/colors/ectoplasm/ HTTP/1.1" [REDACTED] 200 2627 23.99.131.37 - - [22/Jun/2026:22:43:27 +0000] "GET /wp-admin/user.php HTTP/1.1" show less	Port Scan
🇺🇸 antlac1	2026-06-22 22:41:27 (10 minutes ago)	crowdsecurity/http-admin-interface-probing	Brute-Force Web App Attack
🇫🇷 masterguru	2026-06-22 22:32:15 (19 minutes ago)	Too much 404 requests in 1 minute. Operator GE matched 10 at IP:block_script. (46020-193)	Hacking
🇺🇸 interbiznw.com	2026-06-22 22:16:03 (36 minutes ago)	malicious-web-requests-vulnerability-scanning	Hacking Brute-Force Exploited Host Web App Attack
🇬🇷 setupgr	2026-06-22 22:07:27 (44 minutes ago)	(mod_security) mod_security (id:1000001) triggered by 23.99.131.37 (US/United States/Iowa/Des Moines ... show more (mod_security) mod_security (id:1000001) triggered by 23.99.131.37 (US/United States/Iowa/Des Moines/-/[AS8075 MICROSOFT-CORP-MSN-AS-BLOCK]): 1 in the last 86400 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: [Tue Jun 23 01:07:25.882299 2026] [security2:error] [pid 1934756:tid 1934889] [client 23.99.131.37:6070] ModSecurity: Access denied with code 403 (phase 1). Matched phrase "/ioxi-o.php" at REQUEST_FILENAME. [file "/etc/apache2/conf.d/modsec/modsec2.user.conf"] [line "93"] [id "1000001"] [msg "Bad file blocked: /ioxi-o.php"] [severity "CRITICAL"] [tag "security"] [hostname "www.sea-sound.com"] [uri "/ioxi-o.php"] [unique_id "ajmyHS7wGrlvgFoRVzb2egAAAUM"] show less	Port Scan
🇳🇱 Site.eu	2026-06-22 22:03:41 (48 minutes ago)	Excessive multi-domain requests	Brute-Force
🇺🇸 helios.live	2026-06-22 21:50:08 (1 hour ago)	2026/06/22 21:50:07 [error] 1505454#1505454: 1720835 FastCGI sent in stderr: "Primary script unknow ... show more 2026/06/22 21:50:07 [error] 1505454#1505454: 1720835 FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream, client: 23.99.131.37, server: kocerroxy.com, request: "GET /inputs.php HTTP/1.1", upstream: "fastcgi://unix:/var/run/php/php8.4-fpm-betakocerroxycom.sock:", host: "app.kocerroxy.com" 23.99.131.37 - - [22/Jun/2026:21:50:07 +0000] "GET /inputs.php HTTP/1.1" 404 47 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" 2026/06/22 21:50:07 [error] 1505454#1505454: *1720835 FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream, client: 23.99.131.37, server: kocerroxy.com, request: "GET /ioxi-o.php HTTP/1.1", upstream: "fastcgi://unix:/var/run/php/php8.4-fpm-betakocerroxycom.sock:", host: "app.kocerroxy.com" 23.99.131.37 - - [22/Jun/2026:21:50:07 +0000] "GET /ioxi-o.php HTTP/1.1" 404 47 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/5 ... show less	Web App Attack
Anonymous	2026-06-22 21:46:33 (1 hour ago)	23.99.131.37 - - [22/Jun/2026:23:46:33 +0200] "GET /wp-content/uploads/ HTTP/1.1" 404 56 "-" "Mozill ... show more 23.99.131.37 - - [22/Jun/2026:23:46:33 +0200] "GET /wp-content/uploads/ HTTP/1.1" 404 56 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" show less	Web App Attack
🇩🇪 MusicLibrary	2026-06-22 21:45:25 (1 hour ago)	Attempted access to non existent wordpress urls	Bad Web Bot
🇨🇦 polycoda	2026-06-22 21:31:41 (1 hour ago)	AutoBlock: 🎯 Vulnerability Scanner (Non Decay-Based) - 📊 Admin Panel Scanning (Decay-Based) - ❌ Exce ... show more AutoBlock: 🎯 Vulnerability Scanner (Non Decay-Based) - 📊 Admin Panel Scanning (Decay-Based) - ❌ Excessive 40X Errors (Decay-Based) show less	Hacking Bad Web Bot Web App Attack
🇫🇮 Christopher Hughes	2026-06-22 21:28:51 (1 hour ago)	[Mon Jun 22 22:28:49.945028 2026] [proxy_fcgi:error] [pid 1033017:tid 139822517708352] [client 23.99 ... show more [Mon Jun 22 22:28:49.945028 2026] [proxy_fcgi:error] [pid 1033017:tid 139822517708352] [client 23.99.131.37:1573] AH01071: Got error 'Primary script unknown' [Mon Jun 22 22:28:50.084782 2026] [proxy_fcgi:error] [pid 1033017:tid 139821695616576] [client 23.99.131.37:1573] AH01071: Got error 'Primary script unknown' [Mon Jun 22 22:28:50.405177 2026] [proxy_fcgi:error] [pid 1033017:tid 139821158745664] [client 23.99.131.37:1573] AH01071: Got error 'Primary script unknown' [Mon Jun 22 22:28:50.545124 2026] [proxy_fcgi:error] [pid 1033017:tid 139821175531072] [client 23.99.131.37:1573] AH01071: Got error 'Primary script unknown' [Mon Jun 22 22:28:50.821807 2026] [proxy_fcgi:error] [pid 1033017:tid 139822767470144] [client 23.99.131.37:1573] AH01071: Got error 'Primary script unknown' ... show less	Web App Attack
🇩🇪 Ba-Yu	2026-06-22 21:28:50 (1 hour ago)	WordPress bruteforce	Web Spam Hacking Brute-Force Exploited Host Web App Attack
🇩🇪 pscriptos	2026-06-22 21:28:19 (1 hour ago)	This IP was detected by CrowdSec triggering crowdsecurity/appsec-vpatch	Web App Attack
🇦🇹 penguin-solutions.at	2026-06-22 21:26:40 (1 hour ago)	Excessive 403/404 errors ...	Brute-Force Web App Attack

Showing 1 to 15 of 64 reports

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