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

Network: UNICOM-SD

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

Network Information
WHOIS Owner:
China Unicom Shandong Province Network
Countries:
CN
Unique IPs:
6
CIDRs:
112.224.0.0/11, 119.164.0.0/14, (more)

Analysis

This network has contributed 6 unique IP addresses across 6 failed authentication events, accounting for 11 messages. Activity spans from April 6, 2026 to August 4, 2026, with peak volume in April 2026 (2 events). The top countries by failure volume are China (100%). The most active source IPs from this network include 112.227.63.239 (1 failure), 112.239.227.58 (1 failure), 112.251.125.190 (1 failure). Failures from UNICOM-SD are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-6 of 6 failures, affecting 11 messages
Countries