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

Network: ERX-NETBLOCK

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

Network Information
WHOIS Owner:
Early registration addresses
Countries:
US
Unique IPs:
1
CIDR:
150.0.0.0 - 150.255.255.255

Analysis

This network has contributed 1 unique IP address across 4 failed authentication events, accounting for 4 messages. Activity spans from March 12, 2024 to September 9, 2025, with peak volume in March 2024 (1 event). The top countries by failure volume are United States (100%). The most active source IP from this network includes 150.136.204.204 (4 failures). A single IP dominates activity from ERX-NETBLOCK, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-4 of 4 failures, affecting 4 messages
Countries