Sh4mefulNetwork: NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK
This page shows DMARC authentication failures originating from the NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK network. Learn more about this data.
Analysis
This network has contributed 4 unique IP addresses across 28 failed authentication events, accounting for 34 messages. Activity spans from September 13, 2024 to September 26, 2025, with peak volume in December 2024 (5 events). The top countries by failure volume are United States (82%), France (18%). The most active source IPs from this network include 151.111.4.23 (25 failures), 185.24.233.52 (2 failures), 151.111.34.232 (1 failure). A single IP dominates activity from NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK, suggesting a concentrated or persistent source rather than distributed infrastructure.
Failures Detected from this Network
Showing 1-28 of 28 failures, affecting 34 messages| Date ▼ | Source IP | Country | Messages |
|---|---|---|---|
| 9/26/2025 | US | 1 | |
| 9/12/2025 | US | 1 | |
| 8/22/2025 | US | 1 | |
| 8/6/2025 | US | 1 | |
| 7/9/2025 | US | 1 | |
| 6/28/2025 | US | 1 | |
| 4/11/2025 | US | 1 | |
| 3/28/2025 | US | 2 | |
| 3/19/2025 | US | 1 | |
| 3/12/2025 | US | 1 | |
| 2/28/2025 | US | 1 | |
| 2/26/2025 | US | 2 | |
| 2/14/2025 | US | 2 | |
| 1/17/2025 | US | 1 | |
| 1/8/2025 | US | 1 | |
| 12/20/2024 | US | 1 | |
| 12/19/2024 | US | 1 | |
| 12/18/2024 | US | 1 | |
| 12/11/2024 | US | 1 | |
| 12/4/2024 | US | 1 | |
| 11/12/2024 | US | 1 | |
| 11/8/2024 | FR | 1 | |
| 11/6/2024 | FR | 4 | |
| 10/23/2024 | US | 1 | |
| 10/2/2024 | FR | 1 | |
| 9/27/2024 | US | 1 | |
| 9/18/2024 | US | 1 | |
| 9/13/2024 | US | 1 |