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

Network: RIPE-ERX-138-221-0-0

This page shows DMARC authentication failures originating from the RIPE-ERX-138-221-0-0 network. Learn more about this data.

Network Information
Org ID:
RIPE
Address:
P.O. Box 10096, Amsterdam, 1001EB
Countries:
PL
Unique IPs:
1
CIDR:
138.224.0.0/14, 138.222.0.0/15, 138.221.0.0/16, 138.228.0.0/16

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 1 message. Activity from this network was observed on February 2, 2026. The top countries by failure volume are Poland (100%). The most active source IP from this network includes 138.226.246.186 (1 failure). A single IP dominates activity from RIPE-ERX-138-221-0-0, suggesting a concentrated or persistent source rather than distributed infrastructure.

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