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:: 1

CIDR:: 39.64.0.0/11

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 1 message. Activity from this network was observed on April 6, 2026. The top countries by failure volume are China (100%). The most active source IP from this network includes 39.81.214.231 (1 failure). A single IP dominates activity from UNICOM-SD, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network

Showing 1-1 of 1 (failures, affecting 1 message)

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
4/6/2026	39.81.214.231	CN	1

Countries

China