47.128.122.1📋 Copy

# IP INTELLIGENCE BRIEFING: 47.128.122.1

## Executive Summary

Threat Level: MODERATE — Cloud compute instance hosted by Amazon Web Services Singapore (AP-South-1 region). No active threat indicators detected; however, subnet environment exhibits elevated abuse density. Monitor for anomalous behavior.

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## Asset Profile

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## Technical Details

DNS Resolution:

• PTR Record: `ec2-47-128-122-1.ap-southeast-1.compute.amazonaws.com`
• Forward Resolution: Confirmed (amazonaws.com)
• Email Authentication: SPF enabled, DMARC enabled

Network Classification:

• BGP Prefix: 47.128.0.0/14
• Route Stability: Stable (no changes in 30 days)
• RPKI State: Valid
• Anycast: No

Services:

• Open Ports: None detected
• TLS Certificate: None
• HTTP: None (firewalled)

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## Threat Indicators

Current Assessment: Clean

• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Blacklist Count: 0
• Active Campaigns: None

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## Neighborhood Analysis

Subnet: 47.128.122.0/24

• Total Siblings: 40
• Active Siblings: 27
• Abuse Density: 0.55 (HIGH)
• Risk Distribution: High (0), Medium (27), Low (12)

Key Finding: While 47.128.122.1 shows moderate risk, the subnet exhibits significant abuse density. Multiple adjacent IPs (47.128.122.100, 47.128.122.107, 47.128.122.116, 47.128.122.124, 47.128.122.126) maintain risk scores of 40.

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## Historical Observations (26 signals)

Timeline: June 2026

• Consistent geolocation signals from Singapore region
• Provider classification: Amazon Web Services (stable)
• No new threat indicators emerged
• Risk profile remains stable over observation period

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## Relationship Graph

• DNS Associations: ec2-47-128-122-1.ap-southeast-1.compute.amazonaws.com (multiple entries)
• Network Associations: AMAZON-SIN (same network)
• Related Entities: 54 total relationships identified

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## Recommended Actions

Network Defense (SOC Analyst)

```

# Monitor subnet-level activity

# Block if suspicious patterns emerge in 47.128.122.0/24

iptables -A INPUT -s 47.128.122.0/24 -j LOG --log-prefix "SUBNET-MONITOR: "

# No immediate blocking recommended for 47.128.122.1

# Cloud infrastructure; whitelist unless abuse confirmed

```

SOC Guidance

1. Monitor subnet 47.128.122.0/24 for lateral movement or coordinated abuse

2. Investigate if 47.128.122.1 shows outbound traffic to known malicious destinations

3. Correlate with other AWS EC2 instances in same subnet for threat intelligence

4. No immediate takedown recommended; legitimate cloud hosting infrastructure

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Classification: MODERATE RISK — Cloud infrastructure with elevated subnet risk. Maintain monitoring; no immediate mitigation required absent observable malicious activity.

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