3.236.228.171📋 Copy

## Intelligence Briefing: IP 3.236.228.171/32

Executive Summary

IP address 3.236.228.171 is a low-risk EC2 cloud endpoint owned by Amazon Web Services (AWS) in Northern Virginia. The IP presents no active threat indicators and is classified as part of the Amazon-IAD (Ashburn) network infrastructure.

Key Findings

Infrastructure Classification:

• Provider: Amazon Web Services (AWS)
• Organization: Amazon Data Services Northern Virginia
• ASN: 14618 (AMAZON-AES)
• BGP Prefix: 3.224.0.0/12
• Infrastructure Type: CloudCompute
• Geolocation: Ashburn, Virginia, US (39.04°N, -77.49°W)

Risk Assessment:

• Overall Risk Score: 25 (Low Risk)
• Reputation: Low Risk
• Blacklist Status: Not listed (0 blacklists)
• Abuse Confidence: Not applicable (cloud infrastructure)

Network Services:

• Open Ports: None detected
• Service Status: Firewalled / No Services exposed
• DNS Resolution: ec2-3-236-228-171.compute-1.amazonaws.com (confirmed)
• Email Authentication: SPF and DMARC configured

Threat Indicators:

• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Campaign Associations: None detected
• DNSBL Lists: 1 out of 8 lists (minor listing)

Historical Analysis

Signal observation history reveals 19 observations with consistent classification:

• Geolocation: Consistently identified as Ashburn, VA, US (confidence: 0.56)
• ASN: Confirmed as AMAZON-AES (confidence: 0.85)
• Network Role: CloudCompute infrastructure (confidence: 0.90)
• Threat Persistence: 0 days (no persistent malicious activity)
• Observation Count: 1 threat observation recorded (not persistently malicious)

Network Neighborhood Analysis

The /24 subnet (3.236.228.0/24) shows:

• Abuse Density: 1 (low)
• Classification: Mostly clean
• Inherited Risk: 2
• Threat Siblings: 1 detected in subnet
• Total Siblings: 1 active

Relationship Graph

The IP maintains 69 relationships, primarily:

• Network Associations: Multiple AMAZON-IAD network references
• DNS Associations: ec2-3-236-228-171.compute-1.amazonaws.com hostname

Recommended Actions

No specific blocking or mitigation actions recommended. This IP represents standard AWS cloud infrastructure with no evidence of malicious activity.

Assessment for SOC Analysts

This IP address is a legitimate AWS cloud endpoint with no active threat indicators. The low-risk classification (score: 25) is consistent with cloud infrastructure that may exhibit normal scanning behavior from security tools. The IP is properly firewalled with no open services and maintains valid email authentication records. No immediate action required unless correlated with other suspicious activity from the same network segment.

Classification: LOW RISK / MONITOR ONLY

Last Updated: 2026-06-26

Data Sources: IPDebrief Intelligence Platform

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