ArchivedNo longer active, data collection ran March 2024 to September 2026|9,442 records|3,409 source IPs|138 countriesAbout this archive
Shame on you, stupid spammers..Sh4meful  DMARC Spoof Detection

Network: SHST-ONE

This page shows DMARC authentication failures originating from the SHST-ONE network. Learn more about this data.

Network Information
Countries:
RU
Unique IPs:
1
CIDR:
193.163.203.0/24

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 February 10, 2026. The top countries by failure volume are Russia (100%). The most active source IP from this network includes 193.163.203.170 (1 failure). A single IP dominates activity from SHST-ONE, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-1 of 1 failures, affecting 1 message
Date โ–ผ Source IP Country Messages
2/10/2026 193.163.203.170 RU1
Countries