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

Network: MOBIFONE-VN

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

Network Information
WHOIS Owner:
Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
Countries:
VN
Unique IPs:
1
CIDR:
42.1.117.0/24

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 3 messages. Activity from this network was observed on July 27, 2026. The top countries by failure volume are Vietnam (100%). The most active source IP from this network includes 42.1.117.15 (1 failure). A single IP dominates activity from MOBIFONE-VN, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-1 of 1 failures, affecting 3 messages
Countries