AS13335 — Cloudflare, Inc. Threat Intelligence

Network Threat Summary

AS13335 (Cloudflare, Inc.) has 39,439 malicious IP addresses with 448,772 abuse reports across 100 countries. First activity recorded 2022-08-27, most recent activity 2026-09-07.

Threat Profile: The primary attack categories observed from this network are suspicious activity, malware c2, severe abuse. This network shows significant threat activity well above the global median, warranting enhanced monitoring. Affected countries include US, SG, DE.

Risk Assessment: HIGH - Significant threat activity originates from this network. Enhanced monitoring and aggressive IP blocking are recommended.

Top Attack Categories

• Suspicious Activity 83,804 reports
• Malware C2 64,969 reports
• Severe Abuse 15,805 reports
• Professional Threat 12,520 reports
• Spam 7,217 reports

Top Affected Countries

• US 54,092 reports
• SG 36,327 reports
• DE 15,856 reports

Most Reported IPs

• 104.28.233.73 800 reports
• 104.28.214.112 717 reports
• 104.28.156.61 679 reports
• 104.28.214.113 679 reports
• 104.28.246.112 674 reports

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