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AS3257 — GTT Communications Inc. Threat Intelligence

GTT Communications Inc.

Autonomous System Threat Intelligence

Network Threat Summary

AS3257 (GTT Communications Inc.) has 57,086 malicious IP addresses with 210,596 abuse reports across 23 countries. First activity recorded 2022-08-26, most recent activity 2026-09-20.

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

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
57,086
Total Abuse Reports
210,596
Countries Affected
23
First Seen
2022-08-26

Top Attack Categories

  • Aggregated Threat 31,908 reports
  • Reconnaissance 10,475 reports
  • Professional Threat 6,656 reports
  • Reputation Low 3,188 reports
  • Malware Infrastructure 2,848 reports

Top Affected Countries

  • US 56,841 reports
  • NL 8,960 reports
  • IT 7,566 reports

Most Reported IPs

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