Network: AMAZO-4

ℹ️ Annotation: Amazon Web Services (AWS)

This is (part of) the AWS public cloud. Some email protection services run in AWS, but it is also an attack/spam vector.

Last updated: 1/29/2026

This page shows DMARC authentication failures originating from the AMAZO-4 network. Learn more about this data.

Network Information

Owner:: Amazon
Org ID:: AMAZO-4
Address:: Amazon Web Services, Inc. P.O. Box 81226, Seattle, WA 98108-1226
Countries:: US

Unique IPs:: 9

CIDR:: 44.192.0.0/10

Analysis

This network has contributed 9 unique IP addresses across 55 failed authentication events, accounting for 64 messages. Activity from this network spans from March 5, 2024 to March 21, 2026. Activity from AMAZO-4 (Amazon) has been observed from United States.

Failures Detected from this Network

Showing 51-55 of 55 (failures, affecting 64 messages)

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
1/8/2025	44.206.213.130	US	1
12/20/2024	44.206.213.130	US	1
12/11/2024	44.206.222.91	US	1
11/20/2024	44.226.119.204	US	1
9/25/2024	44.206.213.130	US	1

Countries

United States