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

Network: SPTEL-SG

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

Network Information
WHOIS Owner:
ORG-STPL11-AP
Countries:
SG
Unique IPs:
1
CIDR:
203.149.224.0/20

Analysis

This network has contributed 1 unique IP address across 3 failed authentication events, accounting for 3 messages. Activity spans from April 8, 2024 to April 15, 2024, with peak volume in April 2024 (3 events). The top countries by failure volume are Singapore (100%). The most active source IP from this network includes 203.149.232.166 (3 failures). A single IP dominates activity from SPTEL-SG, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-3 of 3 failures, affecting 3 messages
Countries