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AS4837 — CHINA UNICOM China169 Backbone Threat Intelligence

CHINA UNICOM China169 Backbone

Autonomous System Threat Intelligence

Network Threat Summary

AS4837 (CHINA UNICOM China169 Backbone) has 400,799 malicious IP addresses with 6,910,645 abuse reports across 3 countries. First activity recorded 2022-06-27, most recent activity 2026-10-04.

Threat Profile: The primary attack categories observed from this network are malware infrastructure, reconnaissance, reputation low. This autonomous system is among the most prolific threat sources globally, with an exceptionally high concentration of malicious IP addresses. Affected countries include CN, AF, RU.

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.

Unique Malicious IPs
400,799
Total Abuse Reports
6,910,645
Countries Affected
3
First Seen
2022-06-27

Top Attack Categories

  • Malware Infrastructure 1,264,470 reports
  • Reconnaissance 1,125,327 reports
  • Reputation Low 441,455 reports
  • Aggregated Threat 168,318 reports
  • Malware C2 60,762 reports

Top Affected Countries

  • CN 5,941,519 reports
  • AF 469 reports
  • RU 125 reports

Most Reported IPs

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