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

IP Address: 187.91.160.26

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

Geolocation Information
Country:
BR Brazil
Region:
Rio de Janeiro
City:
Rio de Janeiro
Coordinates:
-22.9201, -43.0811
WHOIS Information
Network Name:
TELEFÔNICA BRASIL S.A
CIDR:
187.88.0.0/14
Owner:
TELEF?NICA BRASIL S.A
Reverse DNS:
ip-187-91-160-26.user.vivozap.com.br
Last updated: 2/5/2026

Analysis

This IP was observed on a single date: January 17, 2026. It has been associated with 1 failed authentication event affecting 4 messages — a single isolated event. The IP belongs to TELEFÔNICA BRASIL S.A (TELEF?NICA BRASIL S.A), a network with activity associated with Brazil.

Failures Detected from this IP
Showing 1-1 of 1 failures, affecting 4 messages
External Reputation Lookups

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