Network: JR & JS ENGENHARIA E COM?RCIO LTDA

This page shows DMARC authentication failures originating from the JR & JS ENGENHARIA E COM?RCIO LTDA network. Learn more about this data.

Network Information

WHOIS Owner:: JR & JS ENGENHARIA E COM?RCIO LTDA
Countries:: BR

Unique IPs:: 1

CIDR:: 186.224.192.0/20

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 3 messages. Activity from this network was observed on June 23, 2026. The top countries by failure volume are Brazil (100%). The most active source IP from this network includes 186.224.201.54 (1 failure). A single IP dominates activity from JR & JS ENGENHARIA E COM?RCIO LTDA, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network

Showing 1-1 of 1 failures, affecting 3 messages

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
6/23/2026	186.224.201.54	BR	3

Countries

Brazil