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AS174 — Cogent Communications, LLC Threat Intelligence

Cogent Communications, LLC

Autonomous System Threat Intelligence

Network Threat Summary

AS174 (Cogent Communications, LLC) has 104,762 malicious IP addresses with 173,729 abuse reports across 39 countries. First activity recorded 2022-11-17, most recent activity 2026-04-16.

Threat Profile: The primary attack categories observed from this network are professional threat, suspicious activity, malware c2. This autonomous system is among the most prolific threat sources globally, with an exceptionally high concentration of malicious IP addresses. Affected countries include US, DE, 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.

Unique Malicious IPs
104,762
Total Abuse Reports
173,729
Countries Affected
39
First Seen
2022-11-17

Top Attack Categories

  • Professional Threat 96,100 reports
  • Suspicious Activity 66,260 reports
  • Malware C2 52,372 reports
  • Spam 32,071 reports
  • Aggregated Threat 27,330 reports

Top Affected Countries

  • US 247,274 reports
  • DE 26,446 reports
  • NL 11,974 reports

Most Reported IPs

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