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

IP Address: 52.25.230.42

This page shows DMARC authentication failure data for this IP address. Learn more about this data.

Geolocation Information
Country:
US United States
Region:
Oregon
City:
Boardman
Coordinates:
45.8401, -119.705
WHOIS Information
Network Name:
AT-88-Z
CIDR:
52.64.0.0/12, 52.0.0.0/10
Owner:
Amazon Technologies Inc.
Org ID:
AT-88-Z
Address:
410 Terry Ave N., Seattle, WA 98109
Reverse DNS:
outbound11-encrypted-mta.paubox.com
Last updated: 2/5/2026

Analysis

This IP was first observed on September 20, 2024 and most recently on November 18, 2025. It has been associated with 8 failed authentication events affecting 9 messages, representing moderate activity. The IP belongs to AT-88-Z (Amazon Technologies Inc.), a network with activity associated with United States.

Failures Detected from this IP
Showing 1-8 of 8 failures, affecting 9 messages
Date โ–ผ Messages
11/18/2025 1
4/30/2025 1
3/12/2025 1
12/20/2024 1
12/19/2024 1
12/18/2024 1
9/27/2024 1
9/20/2024 2
External Reputation Lookups

Look up this IP in external threat intelligence and reputation databases (opens in new tab):