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

Network: NET-161-22-40-0-0

This page shows DMARC authentication failures originating from the NET-161-22-40-0-0 network. Learn more about this data.

Network Information
Org ID:
RIPE
Address:
P.O. Box 10096, Amsterdam, 1001EB
Countries:
ES
Unique IPs:
1
CIDR:
161.22.40.0/21

Analysis

This network has contributed 1 unique IP address across 2 failed authentication events, accounting for 2 messages. Activity spans from March 24, 2026 to April 15, 2026, with peak volume in March 2026 (1 event). The top countries by failure volume are Spain (100%). The most active source IP from this network includes 161.22.40.38 (2 failures). A single IP dominates activity from NET-161-22-40-0-0, 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
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