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

Network: JustWeb Telecomunica??es LTDA

This page shows DMARC authentication failures originating from the JustWeb Telecomunica??es LTDA network. Learn more about this data.

Network Information
WHOIS Owner:
JustWeb Telecomunica??es LTDA
Countries:
BR
Unique IPs:
1
CIDR:
170.79.52.0/22

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 19, 2025. The top countries by failure volume are Brazil (100%). The most active source IP from this network includes 170.79.55.111 (1 failure). A single IP dominates activity from JustWeb Telecomunica??es 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
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