Sh4mefulNetwork: OPTUSCOM-AU
This page shows DMARC authentication failures originating from the OPTUSCOM-AU network. Learn more about this data.
Network Information
- WHOIS Owner:
- Singtel Optus Pty Ltd
- Countries:
- AU
- Unique IPs:
- 1
- CIDR:
1.44.0.0/16
Analysis
This network has contributed 1 unique IP address across 2 failed authentication events, accounting for 8 messages. Activity spans from September 18, 2025 to September 19, 2025, with peak volume in September 2025 (2 events). The top countries by failure volume are Australia (100%). The most active source IP from this network includes 1.44.148.158 (2 failures). A single IP dominates activity from OPTUSCOM-AU, suggesting a concentrated or persistent source rather than distributed infrastructure.
Failures Detected from this Network
Showing 1-2 of 2 failures, affecting 8 messages| Date ▼ | Source IP | Country | Messages |
|---|---|---|---|
| 9/19/2025 | AU | 4 | |
| 9/18/2025 | AU | 4 |
Countries