Network: ADPTECH-VN

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

Network Information

WHOIS Owner:: ADPTECH-VN
Countries:: VN

Unique IPs:: 2

CIDR:: 163.223.210.0/23

Analysis

This network has contributed 2 unique IP addresses across 3 failed authentication events, accounting for 3 messages. Activity spans from June 17, 2026 to June 20, 2026, with peak volume in June 2026 (3 events). The top countries by failure volume are Vietnam (100%). The most active source IPs from this network include 163.223.211.168 (2 failures), 163.223.211.131 (1 failure). Failures from ADPTECH-VN are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network

Showing 1-3 of 3 failures, affecting 3 messages

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
6/20/2026	163.223.211.168	VN	1
6/18/2026	163.223.211.131	VN	1
6/17/2026	163.223.211.168	VN	1

Countries

Vietnam