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

Network: UNICOM-HA

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

Network Information
WHOIS Owner:
China Unicom Henan Province Network
Countries:
CN
Unique IPs:
2
CIDRs:
222.136.0.0/13, 42.224.0.0/12

Analysis

This network has contributed 2 unique IP addresses across 2 failed authentication events, accounting for 2 messages. Activity spans from November 13, 2024 to April 11, 2026, with peak volume in November 2024 (1 event). The top countries by failure volume are China (100%). The most active source IPs from this network include 222.138.220.150 (1 failure), 42.237.156.83 (1 failure). Failures from UNICOM-HA are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

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