Shame on you, stupid spammers.. Sh4meful  DMARC Spoof Detection

Network: VIS-70-16

This page shows DMARC authentication failures originating from the VIS-70-16 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:
70.21.0.0/16, 70.20.64.0/18, 70.20.128.0/17, 70.22.0.0/15

Analysis

This network has contributed 1 unique IP address across 3 failed authentication events, accounting for 9 messages. Activity spans from October 23, 2024 to November 20, 2024, with peak volume in November 2024 (2 events). The top countries by failure volume are United States (100%). The most active source IP from this network includes 70.23.57.66 (3 failures). A single IP dominates activity from VIS-70-16, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-3 of 3 failures, affecting 9 messages
Countries