Sh4mefulNetwork: AMAZON-EC2-USWESTOR
This page shows DMARC authentication failures originating from the AMAZON-EC2-USWESTOR network. Learn more about this data.
Analysis
This network has contributed 1 unique IP address across 3 failed authentication events, accounting for 3 messages. Activity spans from October 3, 2025 to December 5, 2025, with peak volume in October 2025 (2 events). The top countries by failure volume are United States (100%). The most active source IP from this network includes 50.112.39.248 (3 failures). A single IP dominates activity from AMAZON-EC2-USWESTOR (Amazon), suggesting a concentrated or persistent source rather than distributed infrastructure.
Failures Detected from this Network
Showing 1-3 of 3 failures, affecting 3 messages| Date ▼ | Source IP | Country | Messages |
|---|---|---|---|
| 12/5/2025 | US | 1 | |
| 10/10/2025 | US | 1 | |
| 10/3/2025 | US | 1 |
Countries