ArchivedNo longer active, data collection ran March 2024 to September 2026|9,442 records|3,409 source IPs|138 countriesAbout this archive
Shame on you, stupid spammers..Sh4meful  DMARC Spoof Detection

Network: T-NCU.EDU.TW-NET

This page shows DMARC authentication failures originating from the T-NCU.EDU.TW-NET network. Learn more about this data.

Network Information
WHOIS Owner:
Ministry of Education Computer Center 12F, No 106, Sec.2,Hoping E. Rd. Taipei Taiwan
Countries:
TW
Unique IPs:
1
CIDR:
140.115.0.0 - 140.115.255.255

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 2 messages. Activity from this network was observed on February 28, 2026. The top countries by failure volume are Taiwan (100%). The most active source IP from this network includes 140.115.72.54 (2 failures). A single IP dominates activity from T-NCU.EDU.TW-NET, a academic institution,, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-1 of 1 failures, affecting 2 messages
Date โ–ผ Source IP Country Messages
2/28/2026 140.115.72.54 TW2
Countries