ArchivedNo longer active, data collection ran March 2024 to September 2026|9,442 records|3,409 source IPs|138 countriesAbout this archive
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 4 failed authentication events, accounting for 4 messages. Activity spans from March 24, 2026 to May 8, 2026, with peak volume in April 2026 (2 events). The top countries by failure volume are Spain (100%). The most active source IP from this network includes 161.22.40.38 (4 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 1-4 of 4 failures, affecting 4 messages
Date โ–ผ Source IP Country Messages
5/8/2026 161.22.40.38 ES1
4/28/2026 161.22.40.38 ES1
4/15/2026 161.22.40.38 ES1
3/24/2026 161.22.40.38 ES1
Countries