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AS1221 — Telstra Limited Threat Intelligence

Telstra Limited

Autonomous System Threat Intelligence

Network Threat Summary

AS1221 (Telstra Limited) has 10,336 malicious IP addresses with 262,889 abuse reports across 1 countries. First activity recorded 2022-06-27, most recent activity 2026-07-27.

Threat Profile: The primary attack categories observed from this network are suspicious activity, severe abuse, moderate threat. This network shows significant threat activity well above the global median, warranting enhanced monitoring. Affected countries include AU.

Risk Assessment: HIGH - Significant threat activity originates from this network. Enhanced monitoring and aggressive IP blocking are recommended.

Unique Malicious IPs
10,336
Total Abuse Reports
262,889
Countries Affected
1
First Seen
2022-06-27

Top Attack Categories

  • Suspicious Activity 152,063 reports
  • Severe Abuse 33,835 reports
  • Moderate Threat 13,455 reports
  • High Threat 11,230 reports
  • Aggregated Threat 2,849 reports

Top Affected Countries

  • AU 247,658 reports

Most Reported IPs

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