18.183.129.171📋 Copy

# IP Intelligence Briefing: 18.183.129.171/32

## Executive Summary

IP 18.183.129.171 is a low-risk (25/100) Amazon Web Services EC2 instance located in Tokyo, Japan. The address shows no active malicious indicators, is not associated with known campaigns, and presents minimal threat to defensive networks. Recommended action: Monitor, no immediate blocking required.

## Network Profile

## Technical Observations

• DNS Resolution: `ec2-18-183-129-171.ap-northeast-1.compute.amazonaws.com`
• Open Services: Port 8443/tcp (https-alt)
• Certificate Analysis: TLS certificate issued to "Gen Digital Inc." with subject `production-c6gn-4xlarge-aws-tokyo-jp-ult-a00c2f95.gen-vpn.com`. Certificate issuer: Sectigo Public Server Authentication CA OV R36. Note: Certificate subject organization differs from IP ownership (Amazon vs. Gen Digital Inc.), indicating potential shared infrastructure or certificate configuration.
• Email Authentication: SPF and DMARC records present on associated domains.
• DNSBL Status: Listed on 1 of 8 DNS blacklists.

## Threat Indicators

• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Campaign Association: None detected
• Threat Feeds: No active indicators
• Abuse Confidence Score: Not applicable

## Neighborhood Analysis

Subnet 18.183.129.0/24 classification: mostly_clean

• Abuse Density: 0
• High-Risk Neighbors: 0
• Medium-Risk Neighbors: 0
• Low-Risk Neighbors: 0
• No active sibling IPs identified in immediate /24 range.

## Historical Context

21 observations collected over monitoring period:

• Threat Persistence: 0 days (not persistently malicious)
• Ownership Changes: 0
• Recent Activity: Signals observed June 2026 showing consistent cloud infrastructure classification.
• Route Stability: Route changes detected within 30-day window.

## Relationship Graph

49 relationships identified:

• Primary associations: AMAZON-NRT network block
• DNS associations: EC2 hostname resolution
• No external organizational or certificate relationships beyond AWS infrastructure.

## Recommended Security Actions

Risk Level: LOW

Recommended Action: Monitor

The IP presents minimal threat:

• No firewall rules required
• No blocking recommended
• Certificate mismatch warrants periodic review but does not indicate compromise
• Continue standard monitoring for cloud infrastructure

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*Intelligence generated via IPDebrief platform. All data points derived from active network observations and threat intelligence feeds.*

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.