Network: DB3 SERVICOS DE TELECOMUNICACOES S.A
This page shows DMARC authentication failures originating from the DB3 SERVICOS DE TELECOMUNICACOES S.A network. Learn more about this data.
Network Information
- WHOIS Owner:
- DB3 SERVICOS DE TELECOMUNICACOES S.A
- Countries:
- BR
- Unique IPs:
- 1
- CIDR:
-
170.81.192.0/22
Analysis
This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 1 message. Activity from this network was observed on June 16, 2026. The top countries by failure volume are Brazil (100%). The most active source IP from this network includes 170.81.193.10 (1 failure). A single IP dominates activity from DB3 SERVICOS DE TELECOMUNICACOES S.A, suggesting a concentrated or persistent source rather than distributed infrastructure.
Countries