Sh4mefulNetwork: NTS-04
This page shows DMARC authentication failures originating from the NTS-04 network. Learn more about this data.
Network Information
- WHOIS Owner:
- ORG-RPOE1-RIPE
- Countries:
- UA
- Unique IPs:
- 5
- CIDR:
185.243.99.0/24
Analysis
This network has contributed 5 unique IP addresses across 9 failed authentication events, accounting for 9 messages. Activity spans from July 22, 2025 to August 12, 2026, with peak volume in July 2026 (4 events). The top countries by failure volume are Ukraine (100%). The most active source IPs from this network include 185.243.99.53 (3 failures), 185.243.99.43 (2 failures), 185.243.99.74 (2 failures). Failures from NTS-04 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 |
|---|---|---|---|
| 8/12/2026 | UA | 1 | |
| 7/17/2026 | UA | 1 | |
| 7/6/2026 | UA | 1 | |
| 7/6/2026 | UA | 1 | |
| 7/5/2026 | UA | 1 | |
| 6/27/2026 | UA | 1 | |
| 6/26/2026 | UA | 1 | |
| 7/27/2025 | UA | 1 | |
| 7/22/2025 | UA | 1 |
Countries