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:: OJSC "Rostelecom" North-West Region SPBNIT-RU Autonomous System
Countries:: RU

Unique IPs:: 1

CIDR:: 5.142.64.0/18

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 1 message. Activity from this network was observed on June 12, 2026. The top countries by failure volume are Russia (100%). The most active source IP from this network includes 5.142.111.228 (1 failure). A single IP dominates activity from RU-AVANGARD-DSL, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network

Showing 1-1 of 1 failures, affecting 1 message

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
6/12/2026	5.142.111.228	RU	1

Countries

Russia