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

Network: CHINANET-SH

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

Network Information
WHOIS Owner:
From Shanghai Network of ChinaTelecom
Countries:
CN
Unique IPs:
4
CIDRs:
116.224.0.0 - 116.239.255.255, 124.76.0.0/14, (more)

Analysis

This network has contributed 4 unique IP addresses across 4 failed authentication events, accounting for 6 messages. Activity spans from June 17, 2026 to July 20, 2026, with peak volume in June 2026 (3 events). The top countries by failure volume are China (100%). The most active source IPs from this network include 116.232.18.78 (1 failure), 116.232.33.21 (1 failure), 124.77.203.86 (1 failure). Failures from CHINANET-SH are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-4 of 4 failures, affecting 6 messages
Countries