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

Network: AMAZON

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

Network Information
Owner:
Amazon
Org ID:
AT-88-Z
Address:
410 Terry Ave N., Seattle, WA 98109
Countries:
US
Unique IPs:
4
CIDRs:
54.192.0.0/12, 54.144.0.0/12, 54.160.0.0/11, 54.216.0.0/14, 54.208.0.0/13, 54.220.0.0/15, 54.216.0.0/14, 54.160.0.0/11, 54.192.0.0/12, 54.208.0.0/13, 54.144.0.0/12, 54.220.0.0/15, (more)

Analysis

This network has contributed 4 unique IP addresses across 7 failed authentication events, accounting for 14 messages. Activity spans from March 13, 2024 to April 10, 2026, with peak volume in July 2025 (3 events). The top countries by failure volume are United States (100%). The most active source IPs from this network include 54.214.251.117 (3 failures), 54.147.22.152 (2 failures), 54.146.63.47 (1 failure). Failures from AMAZON (Amazon) are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-7 of 7 failures, affecting 14 messages
Countries