Sh4mefulNetwork: UUNET63
This page shows DMARC authentication failures originating from the UUNET63 network. Learn more about this data.
Network Information
- Org ID:
MCICS- Address:
- 22001 Loudoun County Pkwy, Ashburn, VA 20147
- Countries:
- US
- Unique IPs:
- 1
- CIDR:
63.64.0.0/10
Analysis
This network has contributed 1 unique IP address across 4 failed authentication events, accounting for 4 messages. Activity spans from September 24, 2024 to June 24, 2025, with peak volume in September 2024 (1 event). The top countries by failure volume are United States (100%). The most active source IP from this network includes 63.85.53.137 (4 failures). A single IP dominates activity from UUNET63, 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 |
|---|---|---|---|
| 6/24/2025 | US | 1 | |
| 3/11/2025 | US | 1 | |
| 12/19/2024 | US | 1 | |
| 9/24/2024 | US | 1 |
Countries