66.63.168.104

Recent Activity This IP has received recent abuse reports, which causes the score to increase.
Abuse Confidence Score
100% Critical
71 reports
47 reporters · latest 6 hours ago
ISP
RackNerd LLC
Usage Type
Data Center/Web Hosting/Transit
ASN
AS36352
Hostname(s)
66-63-168-104-host.colocrossing.com
Domain Name
racknerd.com
Country
🇺🇸 United States of America
City
Chicago, Illinois
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Abuse Reports

Total reports
71 from 47 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇺🇸 United States of America 13 🇩🇪 Germany 12 🇵🇱 Poland 9
Most common categories Web App Attack 56 Hacking 26 Bad Web Bot 14 Brute-Force 12 Port Scan 9
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
Honeypot: http-public probing for vulnerable paths /.well-known/security.txt
Web App Attack
🇭🇳 soporte
Probe for vulnerabilities. Path attempted: /.well-known/security
Web App Attack
🇦🇺 Klaverstyn
Excessive HTTP request rate
Web App Attack
🇩🇪 MarkGGN
Web attack. 66.63.168.104 - - [09/Nov/2026:10:29:12 +0100] "GET /.well-known/[HOST] HTTP/1.1" 404 146 "-" "security-txt-discovery/0.1.0-rust"
Web App Attack
Anonymous
Bad Web Bot Web App Attack
🇩🇪 hotzmatic
None (12 events observed on private honeypot sensor)
Hacking
🇩🇰 swrlly
2 unauthorized webserver connections (30d)
Web App Attack
🇩🇰 swrlly
1 unauthorized webserver connection
Web App Attack
🇺🇸 kbeezie
Bad Web Bot Web App Attack
🇦🇺 Klaverstyn
Excessive HTTP request rate
Web App Attack
🇧🇬 Stoyko Stoykov
66.63.168.104 - - [08/Nov/2026:06:52:25 +0200] "GET /.well-known/security.txt HTTP/1.1" 404 1 "-" "security-txt-discovery/0.1.0-rust" ...
Hacking Web App Attack
🇺🇸 TIScore
Automated web attack / probing. Signals: Admin-panel scan. Last path: /.well-known/security.txt
Web App Attack
🇫🇷 security.rdmc.fr
Activity from blacklisted IP
Hacking
🇧🇷 ufn.edu.br
Exploited Host Web App Attack
🇬🇧 Comberton
Ban via F2B web probe
Brute-Force Web App Attack

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