Sh4mefulNetwork: DNIC-140-017
This page shows DMARC authentication failures originating from the DNIC-140-017 network. Learn more about this data.
Network Information
- Org ID:
USDDD- Address:
- 3990 E. Broad Street, Columbus, OH 43218
- Countries:
- US
- Unique IPs:
- 8
- CIDR:
140.17.0.0/16
Analysis
This network has contributed 8 unique IP addresses across 9 failed authentication events, accounting for 9 messages. Activity spans from May 28, 2025 to April 9, 2026, with peak volume in September 2025 (2 events). The top countries by failure volume are United States (100%). The most active source IPs from this network include 140.17.137.229 (2 failures), 140.17.137.224 (1 failure), 140.17.113.232 (1 failure). Failures from DNIC-140-017 are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.
Failures Detected from this Network
Showing 1-9 of 9 failures, affecting 9 messages| Date ▼ | Source IP | Country | Messages |
|---|---|---|---|
| 4/9/2026 | US | 1 | |
| 4/9/2026 | US | 1 | |
| 12/18/2025 | US | 1 | |
| 12/18/2025 | US | 1 | |
| 11/20/2025 | US | 1 | |
| 11/20/2025 | US | 1 | |
| 9/3/2025 | US | 1 | |
| 9/3/2025 | US | 1 | |
| 5/28/2025 | US | 1 |
Countries