ArchivedNo longer active, data collection ran March 2024 to September 2026|9,442 records|3,409 source IPs|138 countriesAbout this archive
Shame on you, stupid spammers..Sh4meful  DMARC Spoof Detection

Network: DO-13

This page shows DMARC authentication failures originating from the DO-13 network. Learn more about this data.

Network Information
Org ID:
DO-13
Address:
105 Edgeview Drive, Suite 425, Broomfield, CO 80021
Countries:
DE
Unique IPs:
1
CIDR:
164.92.128.0/17, 164.92.64.0/18

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 February 13, 2025. The top countries by failure volume are Germany (100%). The most active source IP from this network includes 164.92.200.73 (1 failure). A single IP dominates activity from DO-13, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-1 of 1 failures, affecting 1 message
Date โ–ผ Source IP Country Messages
2/13/2025 164.92.200.73 DE1
Countries