Network: TFN-NET

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

Network Information

WHOIS Owner:: Taiwan Fixed Network CO.,LTD. 15 F., No. 172-1, Sec. 2, Keelung Rd., Da-an Dist. Taipei City Taiwan
Countries:: TW

Unique IPs:: 1

CIDR:: 49.216.0.0 - 49.216.255.255

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 4 messages. Activity from this network was observed on July 1, 2025. The top countries by failure volume are Taiwan (100%). The most active source IP from this network includes 49.216.225.163 (1 failure). A single IP dominates activity from TFN-NET, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network

Showing 1-1 of 1 failures, affecting 4 messages

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
7/1/2025	49.216.225.163	TW	4

Countries

Taiwan