Sh4mefulIP Address: 15.200.32.128 ⚠ IP Confounder
This service provides anti-malware and anti-spam (AV/AS) scanning via Exchange Online Protection (EOP) and hosted email via Exchange Online. It does sometimes break DKIM and DMARC authentication, though this can be a misconfiguration on the part of administrators.
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 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:
15.200.0.0/16, 15.196.0.0/14- Owner:
- Amazon Technologies Inc.
- Org ID:
AT-88-Z- Address:
- 410 Terry Ave N., Seattle, WA 98109
- Reverse DNS:
-
mta-jays8ip.email.us.etp.fireeyegov.com
Last updated: 2/5/2026
Analysis
This IP was first observed on September 27, 2024 and most recently on November 20, 2024. It has been associated with 3 failed authentication events affecting 3 messages, representing low but recurring activity. The IP belongs to AT-88-Z (Amazon Technologies Inc.), a network with activity associated with United States. 2 other IPs in the same /24 subnet (15.200.32.*) also appear in this dataset.
Network Topology
External Reputation Lookups
Look up this IP in external threat intelligence and reputation databases (opens in new tab):
Nearby IPs
Other IPs in the 15.200.32.0/24 range observed failing DMARC:
15.200.32.126 (2 failures), 15.200.32.127 (1 failure)