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

Network: FUJIAN-XIAMEN-BTL-FJ

This page shows DMARC authentication failures originating from the FUJIAN-XIAMEN-BTL-FJ network. Learn more about this data.

Network Information
WHOIS Owner:
Fujian Xiamen branch Telecom Ltd Fujian Province
Countries:
CN
Unique IPs:
1
CIDR:
121.204.128.0 - 121.204.159.255

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 February 9, 2026. The top countries by failure volume are China (100%). The most active source IP from this network includes 121.204.131.53 (1 failure). A single IP dominates activity from FUJIAN-XIAMEN-BTL-FJ, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-1 of 1 (failures, affecting 1 message)
Countries
Monitoring your own domains? Try Viewleaf Signal — free DMARC monitoring by the makers of sh4meful.