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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 279,039 malicious IP addresses with 597,000 abuse reports across 40 countries. First activity recorded 2022-08-24, most recent activity 2026-09-22.

Threat Profile: The primary attack categories observed from this network are aggregated threat, 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 US, DE, CA.

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
279,039
Total Abuse Reports
597,000
Countries Affected
40
First Seen
2022-08-24

Top Attack Categories

  • Aggregated Threat 169,585 reports
  • Reconnaissance 41,042 reports
  • Reputation Low 17,757 reports
  • Spam 10,065 reports
  • Professional Threat 5,888 reports

Top Affected Countries

  • US 316,406 reports
  • DE 23,044 reports
  • CA 12,759 reports

Most Reported IPs

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