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

Network: NET-USA

This page shows DMARC authentication failures originating from the NET-USA network. Learn more about this data.

Network Information
WHOIS Owner:
ORG-HHL15-RIPE
Countries:
ES
Unique IPs:
1
CIDR:
185.218.16.0/24

Analysis

This network has contributed 1 unique IP address across 2 failed authentication events, accounting for 2 messages. Activity spans from March 21, 2026 to March 29, 2026, with peak volume in March 2026 (2 events). The top countries by failure volume are Spain (100%). The most active source IP from this network includes 185.218.16.216 (2 failures). A single IP dominates activity from NET-USA, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-2 of 2 failures, affecting 2 messages
Countries