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

Network: IBL Banda Larga Internet Informatica LTDA

This page shows DMARC authentication failures originating from the IBL Banda Larga Internet Informatica LTDA network. Learn more about this data.

Network Information
WHOIS Owner:
IBL Banda Larga Internet Informatica LTDA
Countries:
BR
Unique IPs:
1
CIDR:
186.249.208.0/21

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 February 8, 2025. The top countries by failure volume are Brazil (100%). The most active source IP from this network includes 186.249.215.57 (1 failure). A single IP dominates activity from IBL Banda Larga Internet Informatica LTDA, suggesting a concentrated or persistent source rather than distributed infrastructure.

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