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

Network: ES-SBT-20120607

This page shows DMARC authentication failures originating from the ES-SBT-20120607 network. Learn more about this data.

Network Information
WHOIS Owner:
ORG-SBTS3-RIPE
Countries:
ES
Unique IPs:
1
CIDR:
5.61.203.0/24

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 June 17, 2026. The top countries by failure volume are Spain (100%). The most active source IP from this network includes 5.61.203.7 (1 failure). A single IP dominates activity from ES-SBT-20120607, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-1 of 1 failures, affecting 2 messages
Countries