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

Network: RU-AVANGARD-DSL

This page shows DMARC authentication failures originating from the RU-AVANGARD-DSL network. Learn more about this data.

Network Information
WHOIS Owner:
PJSC "Rostelecom" North-West Region
Countries:
RU
Unique IPs:
2
CIDRs:
178.68.128.0/17, 5.142.64.0/18

Analysis

This network has contributed 2 unique IP addresses across 2 failed authentication events, accounting for 2 messages. Activity spans from June 12, 2026 to July 8, 2026, with peak volume in June 2026 (1 event). The top countries by failure volume are Russia (100%). The most active source IPs from this network include 178.68.146.147 (1 failure), 5.142.111.228 (1 failure). Failures from RU-AVANGARD-DSL are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-2 of 2 failures, affecting 2 messages
Countries