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AbuseIPDB » 216.73.216.20

216.73.216.20 was found in our database!

This IP was reported 358 times. Confidence of Abuse is 100%: ?

100%

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

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

Report 216.73.216.20

Whois 216.73.216.20

IP Abuse Reports for 216.73.216.20:

This IP address has been reported a total of 358 times from 120 distinct sources. 216.73.216.20 was first reported on May 12th 2025, and the most recent report was 2 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
🇵🇱 Budyn	2026-08-17 20:31:43 (2 hours ago)	Automated threat detected by Budyn Honeypot Sinkhole. Attack type: Enterprise & Framework Recon Scan ... show more Automated threat detected by Budyn Honeypot Sinkhole. Attack type: Enterprise & Framework Recon Scanner. Malicious scanner triggered a security trap targeting emulated vulnerabilities. Evidence: HOST: app.teddypot.space \| URI: /actuator/gateway/routes \| UA: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected]) \| BODY: [Empty / GET Request] show less	Bad Web Bot Web App Attack
🇺🇸 Rocky Mountain Bioengineering Symposium	2026-08-17 09:54:41 (12 hours ago)	[Mon Aug 17 03:54:41.021385 2026] [authz_core:error] [pid 122895:tid 140697612084800] [client 216.73 ... show more [Mon Aug 17 03:54:41.021385 2026] [authz_core:error] [pid 122895:tid 140697612084800] [client 216.73.216.20:49445] AH01630: client denied by server configuration: /var/www/public_html/contest/robots.txt [Mon Aug 17 03:54:41.025015 2026] [authz_core:error] [pid 122895:tid 140697612084800] [client 216.73.216.20:49445] AH01630: client denied by server configuration: /var/www/public_rsrc/assets/RMBS-Server-Error.html [Mon Aug 17 03:54:41.055794 2026] [authz_core:error] [pid 122895:tid 140697612084800] [client 216.73.216.20:49445] AH01630: client denied by server configuration: /var/www/public_html/contest/ ... show less	Bad Web Bot
🇫🇷 Campus France	2026-08-16 15:36:02 (1 day ago)	...	Brute-Force
🇳🇱 Site.eu	2026-08-16 13:03:38 (1 day ago)	Excessive multi-domain requests	Brute-Force
🇪🇸 librebit	2026-08-13 05:25:09 (4 days ago)	Brute force	Brute-Force
🇬🇧 Greg Poulson	2026-08-13 01:44:02 (4 days ago)	Our website was hit by this DDOS at a rate of 22 in 5 minutes.	DDoS Attack Web Spam Brute-Force
🇦🇺 screwlooseit.com.au	2026-08-12 21:42:43 (5 days ago)	Blocked by CSF 13 firewall - Rule: US/United States/-	Web App Attack
🇺🇸 SX Communications	2026-08-11 20:41:08 (6 days ago)	Blocked abusive HTTP application-layer DoS / botnet traffic from 216.73.216.20: traffic from this ad ... show more Blocked abusive HTTP application-layer DoS / botnet traffic from 216.73.216.20: traffic from this address continues high-cost dynamic page and feed requests at abusive rates via TCP/HTTPS despite edge block responses. Likely compromised end-user host. show less	DDoS Attack Bad Web Bot Exploited Host
🇬🇷 setupgr	2026-08-11 10:20:07 (6 days ago)	(mod_security) mod_security (id:11000010) triggered by 216.73.216.20 (US/United States/Ohio/Columbus ... show more (mod_security) mod_security (id:11000010) triggered by 216.73.216.20 (US/United States/Ohio/Columbus/-/[AS16509 AMAZON-02]): 1 in the last 86400 secs (CF_ENABLE); Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: [Tue Aug 11 13:20:04.965802 2026] [security2:error] [pid 2064837:tid 2064857] [remote 216.73.216.20:38779] ModSecurity: Access denied with code 403 (phase 1). Matched phrase "ClaudeBot" at REQUEST_HEADERS:User-Agent. [file "/etc/apache2/conf.d/modsec/modsec2.user.conf"] [line "114"] [id "11000010"] [msg "BLOCKED BOT: ClaudeBot on doityourself.gr"] [severity "ALERT"] [hostname "doityourself.gr"] [uri "/robots.txt"] [unique_id "anr3VOhmH3KDCdj10LOe5wABTxM"] show less	Port Scan
🇪🇸 librebit	2026-08-11 06:30:07 (6 days ago)	Brute force	Brute-Force
🇵🇱 sefinek.net	2026-08-09 10:23:00 (1 week ago)	Triggered Cloudflare WAF (firewallCustom) from US. Action: BLOCK \| Protocol: HTTP/2 (GET) \| Endpoint ... show more Triggered Cloudflare WAF (firewallCustom) from US. Action: BLOCK \| Protocol: HTTP/2 (GET) \| Endpoint: /sitemap-images.xml \| UA: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected]) • Generated by: github.com/sefinek/Cloudflare-WAF-To-AbuseIPDB show less	Bad Web Bot
🇵🇱 sefinek.net	2026-08-09 04:39:24 (1 week ago)	Triggered Cloudflare WAF (firewallCustom) from US. Action: BLOCK \| Protocol: HTTP/2 (GET) \| Endpoint ... show more Triggered Cloudflare WAF (firewallCustom) from US. Action: BLOCK \| Protocol: HTTP/2 (GET) \| Endpoint: / \| UA: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected]) • Generated by: github.com/sefinek/Cloudflare-WAF-To-AbuseIPDB show less	Bad Web Bot
🇫🇷 EvoX	2026-08-08 21:43:49 (1 week ago)	🛡️ Honeypot [bsts-tpot-hive]: HTTP/1.1 request on 18789 GET /sitemap.xml User-Agent: Mozilla/5.0 Ap ... show more 🛡️ Honeypot [bsts-tpot-hive]: HTTP/1.1 request on 18789 GET /sitemap.xml User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected]) Accept: / Accept-Encoding: gzip, br, zstd, deflate; 18789 [1] TCP show less	Hacking Bad Web Bot
🇹🇷 ycoskun41	2026-08-08 11:59:05 (1 week ago)	fail2ban: plesk-modsecurity jail on genckocaeli.com	Web App Attack
🇳🇱 Site.eu	2026-08-08 08:44:42 (1 week ago)	Excessive multi-domain requests	Brute-Force

Showing 1 to 15 of 358 reports

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