Sh4mefulNetwork: AT-88-Z
âšī¸ Annotation: Amazon Web Services (AWS)
Last updated: 1/29/2026
This is (part of) the AWS public cloud. Some email protection services run in AWS, but it is also an attack/spam vector.
This page shows DMARC authentication failures originating from the AT-88-Z network. Learn more about this data.
Analysis
This network has contributed 31 unique IP addresses across 156 failed authentication events, accounting for 236 messages. Activity from this network spans from March 13, 2024 to March 24, 2026. Activity from AT-88-Z (Amazon) has been observed from 3 countries, including France, Germany, United States.
Failures Detected from this Network
Showing 51-100 of 156 (failures, affecting 236 messages)| Date âŧ | Source IP | Country | Messages |
|---|---|---|---|
| 9/16/2025 | US | 1 | |
| 9/12/2025 | US | 2 | |
| 9/12/2025 | US | 1 | |
| 9/11/2025 | US | 1 | |
| 9/10/2025 | US | 2 | |
| 9/10/2025 | US | 1 | |
| 9/9/2025 | US | 2 | |
| 9/5/2025 | US | 1 | |
| 9/5/2025 | US | 1 | |
| 9/3/2025 | US | 1 | |
| 8/6/2025 | US | 1 | |
| 8/1/2025 | US | 1 | |
| 8/1/2025 | US | 1 | |
| 7/31/2025 | US | 2 | |
| 7/18/2025 | US | 2 | |
| 7/18/2025 | US | 1 | |
| 7/17/2025 | US | 1 | |
| 7/11/2025 | US | 1 | |
| 7/10/2025 | US | 1 | |
| 6/28/2025 | US | 3 | |
| 6/27/2025 | US | 9 | |
| 6/27/2025 | US | 1 | |
| 6/27/2025 | US | 1 | |
| 6/27/2025 | US | 2 | |
| 6/25/2025 | US | 2 | |
| 6/18/2025 | US | 1 | |
| 6/13/2025 | US | 1 | |
| 6/13/2025 | US | 2 | |
| 6/11/2025 | US | 1 | |
| 6/6/2025 | US | 1 | |
| 6/4/2025 | US | 15 | |
| 6/4/2025 | US | 1 | |
| 5/16/2025 | US | 1 | |
| 5/3/2025 | US | 3 | |
| 5/2/2025 | US | 5 | |
| 4/30/2025 | US | 1 | |
| 4/30/2025 | US | 1 | |
| 4/19/2025 | DE | 2 | |
| 3/28/2025 | US | 3 | |
| 3/28/2025 | US | 3 | |
| 3/28/2025 | US | 1 | |
| 3/28/2025 | US | 3 | |
| 3/28/2025 | US | 2 | |
| 3/28/2025 | US | 1 | |
| 3/28/2025 | US | 1 | |
| 3/28/2025 | US | 1 | |
| 3/28/2025 | US | 1 | |
| 3/26/2025 | US | 1 | |
| 3/19/2025 | US | 2 | |
| 3/19/2025 | US | 2 |
Countries