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AbuseIPDB » 104.23.172.81

104.23.172.81 was found in our database!

This IP was reported 154 times. Confidence of Abuse is 0%: ?

ISP	Cloudflare, Inc.
Usage Type	Data Center/Web Hosting/Transit
ASN	AS13335
Domain Name	cloudflare.com
Country	🇳🇱 Netherlands
City	Amsterdam, North Holland

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

Important Note: 104.23.172.81 is an IP address from within our whitelist belonging to the subnet 104.16.0.0/13, which we identify as: "Cloudflare Reverse Proxy".

Whitelisted netblocks are typically owned by trusted entities, such as Google or Microsoft who may use them for search engine spiders. However, these same entities sometimes also provide cloud servers and mail services which are easily abused. Pay special attention when trusting or distrusting these IPs.

Report 104.23.172.81

Whois 104.23.172.81

IP Abuse Reports for 104.23.172.81:

This IP address has been reported a total of 154 times from 36 distinct sources. 104.23.172.81 was first reported on March 2nd 2025, and the most recent report was 23 hours 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
🇸🇬 cimee	2026-07-26 14:14:15 (23 hours ago)	This IP accessed the path /.env, which is banned.	Bad Web Bot Web App Attack
Anonymous	2026-07-24 01:07:59 (3 days ago)	[Fri Jul 24 03:07:57.494671 2026] [authz_core:error] [pid 6944] [client 104.23.172.81:12307] AH01630 ... show more [Fri Jul 24 03:07:57.494671 2026] [authz_core:error] [pid 6944] [client 104.23.172.81:12307] AH01630: client denied by server configuration: /etc/httpd/htdocs [Fri Jul 24 03:07:57.995019 2026] [authz_core:error] [pid 6944] [client 104.23.172.81:12307] AH01630: client denied by server configuration: /etc/httpd/htdocs [Fri Jul 24 03:07:58.233467 2026] [authz_core:error] [pid 6944] [client 104.23.172.81:12307] AH01630: client denied by server configuration: /etc/httpd/htdocs ... show less	Web App Attack
Anonymous	2026-07-23 23:57:17 (3 days ago)	[Fri Jul 24 01:57:16.482137 2026] [authz_core:error] [pid 5772] [client 104.23.172.81:9600] AH01630: ... show more [Fri Jul 24 01:57:16.482137 2026] [authz_core:error] [pid 5772] [client 104.23.172.81:9600] AH01630: client denied by server configuration: /etc/httpd/htdocs [Fri Jul 24 01:57:16.551646 2026] [authz_core:error] [pid 5772] [client 104.23.172.81:9600] AH01630: client denied by server configuration: /etc/httpd/htdocs [Fri Jul 24 01:57:16.650617 2026] [authz_core:error] [pid 5772] [client 104.23.172.81:9600] AH01630: client denied by server configuration: /etc/httpd/htdocs ... show less	Web App Attack
🇳🇱 homeshowdomain.nl	2026-07-16 22:04:48 (1 week ago)	Auto-ban: >3000 req/min op 2026-07-16	Web App Attack SSH Hacking
Anonymous	2026-07-14 13:00:53 (1 week ago)	[Tue Jul 14 15:00:53.089451 2026] [authz_core:error] [pid 4274] [client 104.23.172.81:12113] AH01630 ... show more [Tue Jul 14 15:00:53.089451 2026] [authz_core:error] [pid 4274] [client 104.23.172.81:12113] AH01630: client denied by server configuration: /etc/httpd/htdocs [Tue Jul 14 15:00:53.262791 2026] [authz_core:error] [pid 4274] [client 104.23.172.81:12113] AH01630: client denied by server configuration: /etc/httpd/htdocs [Tue Jul 14 15:00:53.448092 2026] [authz_core:error] [pid 4274] [client 104.23.172.81:12113] AH01630: client denied by server configuration: /etc/httpd/htdocs ... show less	Web App Attack
Anonymous	2026-07-14 08:44:13 (1 week ago)	[Tue Jul 14 10:44:11.872989 2026] [authz_core:error] [pid 4882] [client 104.23.172.81:9787] AH01630: ... show more [Tue Jul 14 10:44:11.872989 2026] [authz_core:error] [pid 4882] [client 104.23.172.81:9787] AH01630: client denied by server configuration: /etc/httpd/htdocs [Tue Jul 14 10:44:12.077914 2026] [authz_core:error] [pid 4882] [client 104.23.172.81:9787] AH01630: client denied by server configuration: /etc/httpd/htdocs [Tue Jul 14 10:44:12.297376 2026] [authz_core:error] [pid 4882] [client 104.23.172.81:9787] AH01630: client denied by server configuration: /etc/httpd/htdocs ... show less	Web App Attack
Anonymous	2026-07-13 11:29:10 (2 weeks ago)	[Mon Jul 13 13:29:08.940391 2026] [authz_core:error] [pid 12595] [client 104.23.172.81:9327] AH01630 ... show more [Mon Jul 13 13:29:08.940391 2026] [authz_core:error] [pid 12595] [client 104.23.172.81:9327] AH01630: client denied by server configuration: /etc/httpd/htdocs [Mon Jul 13 13:29:09.057253 2026] [authz_core:error] [pid 12595] [client 104.23.172.81:9327] AH01630: client denied by server configuration: /etc/httpd/htdocs [Mon Jul 13 13:29:09.198117 2026] [authz_core:error] [pid 12595] [client 104.23.172.81:9327] AH01630: client denied by server configuration: /etc/httpd/htdocs ... show less	Web App Attack
Anonymous	2026-07-12 14:25:32 (2 weeks ago)	[Sun Jul 12 16:25:31.278591 2026] [authz_core:error] [pid 22554] [client 104.23.172.81:12156] AH0163 ... show more [Sun Jul 12 16:25:31.278591 2026] [authz_core:error] [pid 22554] [client 104.23.172.81:12156] AH01630: client denied by server configuration: /etc/httpd/htdocs [Sun Jul 12 16:25:31.386432 2026] [authz_core:error] [pid 22554] [client 104.23.172.81:12156] AH01630: client denied by server configuration: /etc/httpd/htdocs [Sun Jul 12 16:25:31.644578 2026] [authz_core:error] [pid 22554] [client 104.23.172.81:12156] AH01630: client denied by server configuration: /etc/httpd/htdocs ... show less	Web App Attack
Anonymous	2026-07-09 18:54:28 (2 weeks ago)	[Thu Jul 09 20:54:27.256280 2026] [authz_core:error] [pid 20412] [client 104.23.172.81:10495] AH0163 ... show more [Thu Jul 09 20:54:27.256280 2026] [authz_core:error] [pid 20412] [client 104.23.172.81:10495] AH01630: client denied by server configuration: /etc/httpd/htdocs [Thu Jul 09 20:54:27.604831 2026] [authz_core:error] [pid 20412] [client 104.23.172.81:10495] AH01630: client denied by server configuration: /etc/httpd/htdocs [Thu Jul 09 20:54:27.795722 2026] [authz_core:error] [pid 20412] [client 104.23.172.81:10495] AH01630: client denied by server configuration: /etc/httpd/htdocs ... show less	Web App Attack
Anonymous	2026-07-09 12:45:33 (2 weeks ago)	[Thu Jul 09 14:45:31.390356 2026] [authz_core:error] [pid 18150] [client 104.23.172.81:9942] AH01630 ... show more [Thu Jul 09 14:45:31.390356 2026] [authz_core:error] [pid 18150] [client 104.23.172.81:9942] AH01630: client denied by server configuration: /etc/httpd/htdocs [Thu Jul 09 14:45:31.998832 2026] [authz_core:error] [pid 18150] [client 104.23.172.81:9942] AH01630: client denied by server configuration: /etc/httpd/htdocs [Thu Jul 09 14:45:32.626697 2026] [authz_core:error] [pid 18150] [client 104.23.172.81:9942] AH01630: client denied by server configuration: /etc/httpd/htdocs ... show less	Web App Attack
🇬🇧 Axel	2026-07-07 12:34:03 (2 weeks ago)	Blocked by ModSecurity. Rule ID: 210492 Message: None Phase: 1 Severity: CRITICAL URI: /BACKEND/.env ... show more Blocked by ModSecurity. Rule ID: 210492 Message: None Phase: 1 Severity: CRITICAL URI: /BACKEND/.env Server: UK-01 show less	Web App Attack Hacking SQL Injection
🇺🇸 interbiznw.com	2026-07-01 03:59:02 (3 weeks ago)	fail2ban-ban	Hacking Brute-Force Exploited Host Web App Attack
🇷🇺 DZBOT	2026-06-30 19:08:44 (3 weeks ago)	DZBOT: Website Scanning / Scraping	Bad Web Bot Exploited Host Web App Attack
🇺🇸 mnsf	2026-06-17 00:23:03 (1 month ago)	Abuse Detected (2)	Brute-Force Web App Attack
🇸🇬 cimee	2026-06-15 13:26:00 (1 month ago)	This IP accessed the path /.env, which is banned.	Bad Web Bot Web App Attack

Showing 1 to 15 of 154 reports

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