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

Network: ITS TELECOMUNICACOES LTDA

This page shows DMARC authentication failures originating from the ITS TELECOMUNICACOES LTDA network. Learn more about this data.

Network Information
WHOIS Owner:
ITS TELECOMUNICACOES LTDA
Countries:
BR
Unique IPs:
1
CIDR:
187.44.128.0/17

Analysis

This network has contributed 1 unique IP address across 3 failed authentication events, accounting for 7 messages. Activity spans from May 21, 2026 to August 4, 2026, with peak volume in May 2026 (1 event). The top countries by failure volume are Brazil (100%). The most active source IP from this network includes 187.44.211.94 (3 failures). A single IP dominates activity from ITS TELECOMUNICACOES LTDA, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-3 of 3 failures, affecting 7 messages
Countries