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

IP Address: 187.255.97.16

This page shows DMARC authentication failure data for this IP address. Learn more about this data.

Geolocation Information
Country:
BR Brazil
Region:
São Paulo
City:
São Paulo
Coordinates:
-23.5475, -46.6361
WHOIS Information
Network Name:
Claro NXT Telecomunicacoes Ltda
CIDR:
187.255.0.0/16
Owner:
Claro NXT Telecomunicacoes Ltda
Reverse DNS:
bbff6110.virtua.com.br
Last updated: 2/5/2026

Analysis

This IP was observed on a single date: April 19, 2025. It has been associated with 1 failed authentication event affecting 8 messages — a single isolated event. The IP belongs to Claro NXT Telecomunicacoes Ltda, a network with activity associated with Brazil.

Failures Detected from this IP
Showing 1-1 of 1 failures, affecting 8 messages
External Reputation Lookups

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