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

Network: CHINANET-SD

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

Network Information
WHOIS Owner:
CHINANET SHANDONG PROVINCE NETWORK Shandong Telecom Corporation No.999,Shunhua road,Jinan,Shandong
Countries:
CN
Unique IPs:
1
CIDR:
58.56.0.0 - 58.59.127.255

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 14 messages. Activity from this network was observed on June 12, 2026. The top countries by failure volume are China (100%). The most active source IP from this network includes 58.56.136.172 (1 failure). A single IP dominates activity from CHINANET-SD, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-1 of 1 failures, affecting 14 messages
Countries