AS21859 — Zenlayer Inc Threat Intelligence

Network Threat Summary

AS21859 (Zenlayer Inc) has 22,478 malicious IP addresses with 333,538 abuse reports across 37 countries. First activity recorded 2022-08-21, most recent activity 2026-07-05.

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

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

Top Attack Categories

• Professional Threat 89,326 reports
• Suspicious Activity 62,819 reports
• Severe Abuse 48,685 reports
• Malware C2 5,517 reports
• Spam 3,556 reports

Top Affected Countries

• US 80,125 reports
• PT 70,914 reports
• NL 15,513 reports

Most Reported IPs

• 45.43.45.254 395 reports
• 185.180.141.42 381 reports
• 109.105.210.52 380 reports
• 185.180.141.2 380 reports
• 185.226.196.12 379 reports

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