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: MARCOS SINDOR RIBEIRAO BRANCO EIRELI - ME

This page shows DMARC authentication failures originating from the MARCOS SINDOR RIBEIRAO BRANCO EIRELI - ME network. Learn more about this data.

Network Information
WHOIS Owner:
MARCOS SINDOR RIBEIRAO BRANCO EIRELI - ME
Countries:
BR
Unique IPs:
1
CIDR:
170.79.148.0/22

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 4 messages. Activity from this network was observed on April 4, 2025. The top countries by failure volume are Brazil (100%). The most active source IP from this network includes 170.79.148.169 (1 failure). A single IP dominates activity from MARCOS SINDOR RIBEIRAO BRANCO EIRELI - ME, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-1 of 1 failures, affecting 4 messages
Date โ–ผ Source IP Country Messages
4/4/2025 170.79.148.169 BR4
Countries