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: 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:
5
CIDRs:
177.8.48.0/21, 186.219.144.0/20, (more)

Analysis

This network has contributed 5 unique IP addresses across 5 failed authentication events, accounting for 14 messages. Activity spans from July 1, 2024 to September 2, 2026, 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 177.8.55.191 (1 failure), 186.219.145.254 (1 failure), 186.219.147.37 (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 1-5 of 5 failures, affecting 14 messages
Date โ–ผ Source IP Country Messages
9/2/2026 177.8.55.191 BR3
8/6/2026 187.109.187.128 BR3
10/3/2025 45.232.89.229 BR4
6/14/2025 186.219.145.254 BR3
7/1/2024 186.219.147.37 BR1
Countries