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

IP Address: 35.89.44.36

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:
35.80.0.0/12, 35.72.0.0/13, 35.71.64.0/18, 35.71.128.0/17
Owner:
Amazon Technologies Inc.
Org ID:
AT-88-Z
Address:
410 Terry Ave N., Seattle, WA 98109
Reverse DNS:
omta37.uswest2.a.cloudfilter.net
Last updated: 2/5/2026

Analysis

This IP was first observed on March 12, 2025 and most recently on March 28, 2025. It has been associated with 2 failed authentication events affecting 4 messages, representing low but recurring activity. The IP belongs to AT-88-Z (Amazon Technologies Inc.), a network with activity associated with United States. 3 other IPs in the same /24 subnet (35.89.44.*) also appear in this dataset.

Network Topology

Failures Detected from this IP
Showing 1-2 of 2 failures, affecting 4 messages
Date ▼ Messages
3/28/2025 3
3/12/2025 1
External Reputation Lookups

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

Nearby IPs

Other IPs in the 35.89.44.0/24 range observed failing DMARC:

35.89.44.34 (3 failures), 35.89.44.32 (2 failures), 35.89.44.38 (2 failures)