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

Network: UBN

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

Network Information
WHOIS Owner:
JSC "Ufanet", Ufa, Russia
Countries:
RU
Unique IPs:
3
CIDRs:
178.214.239.0/24, 81.30.178.0/24, (more)

Analysis

This network has contributed 3 unique IP addresses across 3 failed authentication events, accounting for 3 messages. Activity spans from April 5, 2026 to April 15, 2026, with peak volume in April 2026 (3 events). The top countries by failure volume are Russia (100%). The most active source IPs from this network include 178.214.239.51 (1 failure), 81.30.178.213 (1 failure), 94.41.246.168 (1 failure). Failures from UBN 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
Countries