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

Network: Alares Cabo Servicos de Telecomunicacoes S.A.

This page shows DMARC authentication failures originating from the Alares Cabo Servicos de Telecomunicacoes S.A. network. Learn more about this data.

Network Information
WHOIS Owner:
Alares Cabo Servicos de Telecomunicacoes S.A.
Countries:
BR
Unique IPs:
3
CIDRs:
186.219.144.0/20, 45.232.88.0/22

Analysis

This network has contributed 3 unique IP addresses across 3 failed authentication events, accounting for 8 messages. Activity spans from July 1, 2024 to October 3, 2025, with peak volume in July 2024 (1 event). The top countries by failure volume are Brazil (100%). The most active source IPs from this network include 186.219.145.254 (1 failure), 186.219.147.37 (1 failure), 45.232.89.229 (1 failure). Failures from Alares Cabo Servicos de Telecomunicacoes S.A. 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 8 messages
Countries