Sh4mefulNetwork: OTS549865
This page shows DMARC authentication failures originating from the OTS549865 network. Learn more about this data.
Network Information
- WHOIS Owner:
- KPN B.V.
- Countries:
- NL
- Unique IPs:
- 1
- CIDR:
-
31.149.0.0/16
Analysis
This network has contributed 1 unique IP address across 27 failed authentication events, accounting for 44 messages. Activity spans from July 31, 2025 to March 17, 2026, with peak volume in January 2026 (8 events). The top countries by failure volume are The Netherlands (100%). The most active source IP from this network includes 31.149.213.145 (33 failures). A single IP dominates activity from OTS549865, suggesting a concentrated or persistent source rather than distributed infrastructure.
Failures Detected from this Network
Showing 1-27 of 27 failures, affecting 44 messages| Date ▲ | Source IP | Country | Messages |
|---|---|---|---|
| 7/31/2025 | NL | 3 | |
| 8/27/2025 | NL | 1 | |
| 8/28/2025 | NL | 1 | |
| 10/10/2025 | NL | 3 | |
| 10/11/2025 | NL | 1 | |
| 10/17/2025 | NL | 1 | |
| 10/18/2025 | NL | 4 | |
| 10/30/2025 | NL | 1 | |
| 10/31/2025 | NL | 1 | |
| 11/7/2025 | NL | 1 | |
| 11/8/2025 | NL | 1 | |
| 11/9/2025 | NL | 1 | |
| 11/16/2025 | NL | 1 | |
| 12/3/2025 | NL | 1 | |
| 12/31/2025 | NL | 1 | |
| 1/6/2026 | NL | 1 | |
| 1/8/2026 | NL | 3 | |
| 1/13/2026 | NL | 1 | |
| 1/23/2026 | NL | 1 | |
| 1/25/2026 | NL | 5 | |
| 2/17/2026 | NL | 3 | |
| 2/18/2026 | NL | 1 | |
| 2/19/2026 | NL | 1 | |
| 2/20/2026 | NL | 1 | |
| 3/13/2026 | NL | 2 | |
| 3/15/2026 | NL | 2 | |
| 3/17/2026 | NL | 1 |
Countries