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216.73.216.53

Recent Activity

Abuse Confidence Score

99% Critical

433 reports

135 reporters · latest 13 hours ago

ISP: Anthropic, PBC
Usage Type: Data Center/Web Hosting/Transit
ASN: AS16509
Domain Name: anthropic.com
Country: 🇺🇸 United States of America
City: Columbus, Ohio

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Abuse Reports

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Total reports

433 from 135 distinct reporters

First reported

May 13th 2025

Most recent report

13 hours ago

Last 60 days

Top reporter locations 🇩🇪 Germany 20 🇨🇿 Czechia 14 🇪🇸 Spain 13

Most common categories Brute-Force 48 Bad Web Bot 32 Web App Attack 30 Hacking 21 Port Scan 8

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
🇩🇪 jbcrn	2026-11-10 15:20:01 UTC · (13 hours ago)	Blocked by iocaine (nam-shub-of-enki) tarpit. Classified as: Claude, ruleset: ai.robots.txt. Requested honeypot path: /deflagration.countersign/corps/crutter/enring/developable/Testacea/nigrified/tablemaker/archdruid/sideway/desperacy-Negroid/. User- ... show more Blocked by iocaine (nam-shub-of-enki) tarpit. Classified as: Claude, ruleset: ai.robots.txt. Requested honeypot path: /deflagration.countersign/corps/crutter/enring/developable/Testacea/nigrified/tablemaker/archdruid/sideway/desperacy-Negroid/. User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected]) show less	Bad Web Bot Web App Attack
🇬🇧 seniorlinuxadmin	2026-11-10 05:17:10 UTC · (23 hours ago)	216.73.216.53 - - [10/Nov/2026:05:17:05 +0000] "GET /sitemap.xml HTTP/2.0" 403 158 "-" "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])"	Port Scan Web App Attack
🇪🇸 librebit	2026-11-10 02:11:00 UTC · (1 day ago)	Brute force	Brute-Force
🇮🇩 adi s	2026-11-06 21:38:32 UTC · (4 days ago)	216.73.216.53 - - [07/Nov/2026:04:38:31 +0700] "GET /robots.txt HTTP/2.0" 200 134 "-" "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])" 138 268 ...	Web App Attack Brute-Force
🇩🇪 SCHAPPY	2026-11-06 16:25:30 UTC · (4 days ago)	Bad bot identified by user agent	Bad Web Bot
🇩🇪 maxpower	2026-11-05 16:38:48 UTC · (5 days ago)	(junkbot) REGOLA 8 - Junk Bot Blocked 216.73.216.53 (US/United States/-): 1 in the last 3600 secs; Ports: ; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: 216.73.216.53 - - [05/Nov/2026:17:38:45 +0100] "GET / HTTP/2.0" 301 0 "-" "Mozilla/5.0 App ... show more (junkbot) REGOLA 8 - Junk Bot Blocked 216.73.216.53 (US/United States/-): 1 in the last 3600 secs; Ports: ; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: 216.73.216.53 - - [05/Nov/2026:17:38:45 +0100] "GET / HTTP/2.0" 301 0 "-" "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])" "216.73.216.53" host=www.centrolarca.eu show less	Port Scan
🇩🇪 maxpower	2026-11-05 14:40:26 UTC · (5 days ago)	(junkbot) REGOLA 8 - Junk Bot Blocked 216.73.216.53 (US/United States/-): 1 in the last 3600 secs; Ports: ; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: 216.73.216.53 - - [05/Nov/2026:15:40:22 +0100] "GET / HTTP/2.0" 301 0 "-" "Mozilla/5.0 App ... show more (junkbot) REGOLA 8 - Junk Bot Blocked 216.73.216.53 (US/United States/-): 1 in the last 3600 secs; Ports: ; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: 216.73.216.53 - - [05/Nov/2026:15:40:22 +0100] "GET / HTTP/2.0" 301 0 "-" "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])" "216.73.216.53" host=www.centrolarca.eu show less	Port Scan
🇩🇪 maxpower	2026-11-05 12:39:50 UTC · (5 days ago)	(junkbot) REGOLA 8 - Junk Bot Blocked 216.73.216.53 (US/United States/-): 1 in the last 3600 secs; Ports: ; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: 216.73.216.53 - - [05/Nov/2026:13:39:46 +0100] "GET / HTTP/2.0" 301 0 "-" "Mozilla/5.0 App ... show more (junkbot) REGOLA 8 - Junk Bot Blocked 216.73.216.53 (US/United States/-): 1 in the last 3600 secs; Ports: ; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs: 216.73.216.53 - - [05/Nov/2026:13:39:46 +0100] "GET / HTTP/2.0" 301 0 "-" "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])" "216.73.216.53" host=www.centrolarca.eu show less	Port Scan
🇺🇸 Rocky Mountain Bioengineering Symposium	2026-11-05 10:15:06 UTC · (5 days ago)	[Thu Nov 05 03:15:05.705176 2026] [authz_core:error] [pid 226401:tid 140080523949632] [client 216.73.216.53:42303] AH01630: client denied by server configuration: /var/www/public_html/symposium/robots.txt [Thu Nov 05 03:15:05.709013 2026] [authz_core ... show more [Thu Nov 05 03:15:05.705176 2026] [authz_core:error] [pid 226401:tid 140080523949632] [client 216.73.216.53:42303] AH01630: client denied by server configuration: /var/www/public_html/symposium/robots.txt [Thu Nov 05 03:15:05.709013 2026] [authz_core:error] [pid 226401:tid 140080523949632] [client 216.73.216.53:42303] AH01630: client denied by server configuration: /var/www/public_rsrc/assets/RMBS-Server-Error.html [Thu Nov 05 03:15:05.730192 2026] [authz_core:error] [pid 226401:tid 140080523949632] [client 216.73.216.53:42303] AH01630: client denied by server configuration: /var/www/public_html/symposium/ ... show less	Bad Web Bot
🇵🇱 bmino.pl	2026-11-05 09:36:28 UTC · (5 days ago)	Autoban IP(2): 216.73.216.53 - Hostname: Amazon.com - City: Columbus - Country: United States - Organization: Amazon Technologies Inc. - Reason: GET /?p=25245 HTTP/2.0	Bad Web Bot
🇺🇸 ipblock.com	2026-11-05 02:58:00 UTC · (6 days ago)	IPBlock protected site ID [1365-l]. Persistent 404, vulnerability scanner	Hacking Bad Web Bot Web App Attack
🇩🇪 palzer.IT	2026-11-04 05:35:26 UTC · (6 days ago)	Report for plesk-apache-badbot: 216.73.216.53 - - [09/Oct/2026:23:36:45 +0200] GET /robots.txt [DOMAIN_REMOVED] 200 341 - Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@[DOMAIN_REMOVED])	Bad Web Bot
🇧🇪 micmor_asbl	2026-11-04 02:07:24 UTC · (1 week ago)	ase-88 : Bloc AI bots=>/robots.txt(anthropic)	Hacking
🇩🇪 jbcrn	2026-11-03 18:20:48 UTC · (1 week ago)	Blocked by iocaine (nam-shub-of-enki) tarpit. Classified as: Claude, ruleset: ai.robots.txt. Requested honeypot path: /deflagration.prefunctional/boot/prostemmatic/microevolution-spurless/praxis/really/Spring/makeweight-medium/combinantive-metrectopi ... show more Blocked by iocaine (nam-shub-of-enki) tarpit. Classified as: Claude, ruleset: ai.robots.txt. Requested honeypot path: /deflagration.prefunctional/boot/prostemmatic/microevolution-spurless/praxis/really/Spring/makeweight-medium/combinantive-metrectopia/cremasteric/splatterfaced-whalehead.css. User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected]) show less	Bad Web Bot Web App Attack
🇩🇪 Reinhard	2026-11-03 17:51:54 UTC · (1 week ago)	Unknown activity, but too many attacks with too many users.	Hacking

Showing 1 to 15 of 433 reports

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