IP Address: 18.208.22.129

ℹ️ Network 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 failure data for this IP address. Learn more about this data.

Geolocation Information

Country:: US United States
Region:: Virginia
City:: Ashburn
Coordinates:: 39.0469, -77.4903

WHOIS Information

Network Name:: AT-88-Z
CIDR:: 18.32.0.0/11, 18.64.0.0/10, 18.128.0.0/9
Owner:: Amazon Technologies Inc.
Org ID:: AT-88-Z
Address:: 410 Terry Ave N., Seattle, WA 98109
Reverse DNS:: repost01.tmes.trendmicro.com
Last updated: 2/5/2026

Analysis

This IP was observed on a single date: November 26, 2024. It has been associated with 1 failed authentication event affecting 1 message — a single isolated event. 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 (18.208.22.*) also appear in this dataset.

Network Topology

Failures Detected from this IP

Showing 1-1 of 1 failures, affecting 1 message

Date ▼	Messages
11/26/2024	1

External Reputation Lookups

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

AbuseIPDB Cisco Talos Project Honey Pot GreyNoise VirusTotal Shodan Censys Spamhaus

Nearby IPs

Other IPs in the 18.208.22.0/24 range observed failing DMARC:

18.208.22.127 (1 failure), 18.208.22.149 (1 failure)