216.73.216.221
Recent Activity
This IP has received recent abuse reports, which causes the score to increase.
- ISP
- Anthropic, PBC
- Usage Type
- Data Center/Web Hosting/Transit
- ASN
- AS16509
- Domain Name
- anthropic.com
- Country
- 🇺🇸 United States of America
- City
- Columbus, Ohio
Abuse Reports
Total reports
431 from
148 distinct
reporters
First reported
Most recent report
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 |
|---|---|---|---|
| 🇪🇸 masterguru |
BAD BOT - Detected and Blocked.. Matched phrase "claudebot" at REQUEST_HEADERS:user-agent. (1100000-122)
|
Bad Web Bot | |
| 🇬🇧 seniorlinuxadmin |
216.73.216.221 - - [06/Nov/2026:16:22:20 +0000] "GET / 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 | |
| 🇫🇷 security.rdmc.fr |
Activity from blacklisted IP
|
Hacking | |
| 🇬🇧 Mendip_Defender |
216.73.216.221 - - [05/Nov/2026:15:48:09 +0000] "GET /robots.txt HTTP/1.1" 304 6642 "-" "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])"
...
|
Bad Web Bot | |
| Anonymous |
IP matched detection query 20 more in short time bad rqs.
|
Brute-Force Web App Attack Hacking | |
| 🇩🇪 Séfora Srl |
crowdsecurity/http-probing detected by CrowdSec
|
Web App Attack | |
| 🇩🇪 palzer.IT |
Report for plesk-apache-badbot: 216.73.216.221 - - [01/Oct/2026:19:25:00 +0200] GET /robots.txt [DOMAIN_REMOVED] 200 5926 - Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@[DOMAIN_REMOVED])
|
Bad Web Bot | |
| 🇫🇷 security.rdmc.fr |
Activity from blacklisted IP
|
Hacking | |
| 🇷🇴 iulianh |
80,443
|
Brute-Force SSH | |
| 🇫🇷 security.rdmc.fr |
Activity from blacklisted IP
|
Hacking | |
| 🇫🇷 Campus France |
...
|
Brute-Force | |
| Anonymous |
IP matched detection query Many sub paths, bad urls forwarding.
|
Brute-Force | |
| 🇩🇪 palzer.IT |
Report for plesk-apache-badbot: 216.73.216.221 - - [01/Oct/2026:19:25:00 +0200] GET /robots.txt [DOMAIN_REMOVED] 200 5926 - Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@[DOMAIN_REMOVED])
|
Bad Web Bot | |
| 🇫🇷 Campus France |
...
|
Brute-Force | |
| 🇩🇪 Viveronese |
HTTP vulnerability scanning
|
Web App Attack |
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