Network: SIGA FIBRA LTDA

This page shows DMARC authentication failures originating from the SIGA FIBRA LTDA network. Learn more about this data.

Network Information

WHOIS Owner:: SIGA FIBRA LTDA
Countries:: BR

Unique IPs:: 1

CIDR:: 45.231.192.0/22

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 2 messages. Activity from this network was observed on July 24, 2026. The top countries by failure volume are Brazil (100%). The most active source IP from this network includes 45.231.194.129 (1 failure). A single IP dominates activity from SIGA FIBRA LTDA, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network

Showing 1-1 of 1 failures, affecting 2 messages

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
7/24/2026	45.231.194.129	BR	2

Countries

Brazil