Sh4mefulNetwork: ERX-NETBLOCK
This page shows DMARC authentication failures originating from the ERX-NETBLOCK network. Learn more about this data.
Network Information
- WHOIS Owner:
- Early registration addresses
- Countries:
- US
- Unique IPs:
- 1
- CIDR:
150.0.0.0 - 150.255.255.255
Analysis
This network has contributed 1 unique IP address across 4 failed authentication events, accounting for 4 messages. Activity spans from March 12, 2024 to September 9, 2025, with peak volume in March 2024 (1 event). The top countries by failure volume are United States (100%). The most active source IP from this network includes 150.136.204.204 (4 failures). A single IP dominates activity from ERX-NETBLOCK, suggesting a concentrated or persistent source rather than distributed infrastructure.
Failures Detected from this Network
Showing 1-4 of 4 failures, affecting 4 messages| Date ▼ | Source IP | Country | Messages |
|---|---|---|---|
| 9/9/2025 | US | 1 | |
| 12/17/2024 | US | 1 | |
| 9/6/2024 | US | 1 | |
| 3/12/2024 | US | 1 |
Countries