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

Network: NET-154-3-0-0

This page shows DMARC authentication failures originating from the NET-154-3-0-0 network. Learn more about this data.

Network Information
WHOIS Owner:
ORG-AFNC1-AFRINIC
Countries:
US
Unique IPs:
2
CIDR:
154.3.0.0 - 154.3.255.255

Analysis

This network has contributed 2 unique IP addresses across 3 failed authentication events, accounting for 4 messages. Activity spans from November 11, 2025 to November 26, 2025, with peak volume in November 2025 (3 events). The top countries by failure volume are United States (100%). The most active source IPs from this network include 154.3.40.163 (2 failures), 154.3.40.43 (1 failure). Failures from NET-154-3-0-0 are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-3 of 3 failures, affecting 4 messages
Countries