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AS4766 — Korea Telecom Threat Intelligence

Korea Telecom

Autonomous System Threat Intelligence

Network Threat Summary

AS4766 (Korea Telecom) has 77,786 malicious IP addresses with 1,826,330 abuse reports across 1 countries. First activity recorded 2022-06-29, most recent activity 2026-08-15.

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

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
77,786
Total Abuse Reports
1,826,330
Countries Affected
1
First Seen
2022-06-29

Top Attack Categories

  • Suspicious Activity 445,743 reports
  • Severe Abuse 298,966 reports
  • Moderate Threat 66,605 reports
  • High Threat 60,628 reports
  • Aggregated Threat 30,868 reports

Top Affected Countries

  • KR 1,269,578 reports

Most Reported IPs

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