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AS17621 — China Unicom Shanghai network Threat Intelligence

China Unicom Shanghai network

Autonomous System Threat Intelligence

Network Threat Summary

AS17621 (China Unicom Shanghai network) has 7,072 malicious IP addresses with 129,409 abuse reports across 1 countries. First activity recorded 2022-06-28, most recent activity 2026-09-21.

Threat Profile: The primary attack categories observed from this network are reconnaissance, reputation low, malware infrastructure. This network exhibits moderate threat activity within expected ranges for networks of this size. Affected countries include CN.

Risk Assessment: MEDIUM - Moderate threat activity detected. Regular monitoring with automated blocking for repeat offenders is advised.

Unique Malicious IPs
7,072
Total Abuse Reports
129,409
Countries Affected
1
First Seen
2022-06-28

Top Attack Categories

  • Reconnaissance 40,615 reports
  • Reputation Low 16,375 reports
  • Malware Infrastructure 4,437 reports
  • Aggregated Threat 3,448 reports
  • Malware C2 1,723 reports

Top Affected Countries

  • CN 114,759 reports

Most Reported IPs

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