Network: VNU-VN

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

Network Information

WHOIS Owner:: VNU-VN
Countries:: VN

Unique IPs:: 1

CIDR:: 112.137.140.0/24

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 April 1, 2026. The top countries by failure volume are Vietnam (100%). The most active source IP from this network includes 112.137.140.138 (2 failures). A single IP dominates activity from VNU-VN, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network

Showing 1-1 of 1 (failures, affecting 2 messages)

Show Confoundersⓘ

Date ▲	Source IP	Country	Messages
4/1/2026	112.137.140.138	VN	2

Countries

Vietnam