AS203346 — Proper Support LLP Threat Intelligence

Network Threat Summary

AS203346 (Proper Support LLP) has 55,881 malicious IP addresses with 473,237 abuse reports across 4 countries. First activity recorded 2025-10-14, most recent activity 2026-09-20.

Threat Profile: The primary attack categories observed from this network are professional threat, malicious, malware infrastructure. This autonomous system is among the most prolific threat sources globally, with an exceptionally high concentration of malicious IP addresses. Affected countries include GB, US, NL.

Risk Assessment: CRITICAL - This autonomous system is a major source of malicious activity, ranking in the top 1% of threat networks globally. Consider blocking the entire ASN or implementing strict rate limiting.

Top Attack Categories

• Professional Threat 27,648 reports
• Malicious 8,535 reports
• Malware Infrastructure 8,217 reports
• Reputation Low 126 reports
• Spam 112 reports

Top Affected Countries

• GB 67,337 reports
• US 39,436 reports
• NL 1,403 reports

Most Reported IPs

• 89.35.89.24 136 reports
• 77.81.89.24 136 reports
• 89.37.96.24 136 reports
• 86.105.178.24 136 reports
• 86.105.176.24 136 reports

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