## IP Intelligence Briefing: 47.128.112.31/32
Classification: Cloud Infrastructure Asset β Moderate Risk
Date: June 2026
Prepared For: SOC Operations Team
Executive Summary
IP 47.128.112.31 is a cloud compute endpoint hosted within Amazon Web Services Singapore (ASIN: ap-southeast-1). The address demonstrates moderate risk characteristics (score: 40) with no active threat indicators. The IP is part of a high-abuse-density subnet (47.128.112.0/24, abuse density: 0.81), which warrants contextual monitoring despite the target IP's clean profile.
Infrastructure Profile
- Organization: Amazon Data Services Singapore (AMAZON-SIN)
- ASN: 16509 (Registered to US, allocated 2000-05-04)
- Network Block: 47.128.0.0/14 (BGP: 2914 16509)
- Geolocation: Singapore, SG (1.35°N, 103.82°E)
- Infrastructure Type: CloudCompute (AWS EC2)
- Service Status: Firewalled / No Services Detected
- DNS Resolution: ec2-47-128-112-31.ap-southeast-1.compute.amazonaws.com (forward confirmed)
Threat Assessment
Current Risk Level: Moderate (40/100)
- Threat Indicators: None detected
- Blacklist Status: 1 DNSBL listing (of 8 total lists)
- Known Attacker: False
- Spam Source: False
- Tor Exit Node: False
- Campaign Association: None identified
- Persistence: Not persistently malicious (1 threat observation only)
Risk Breakdown:
- Provider Score: 0 (AWS infrastructure)
- Authority Score: 0 (no autonomous abuse history)
- Stability Score: 0 (ownership stable)
Neighborhood Context (47.128.112.0/24)
The target IP resides in a high-abuse-density subnet requiring contextual awareness:
- Subnet Classification: high_abuse
- Abuse Density: 0.81
- Total Siblings: 100
- Active Siblings: 78
- Threat Siblings: 81
- Inherited Risk Score: 32
- Neighbor Risk Distribution: 97 medium, 2 low, 0 high
Historical Analysis
- Total Observations: 26 signals
- Latest Observation: 2026-06-21T08:49:01
- Ownership Changes: 0 (stable)
- Threat Persistence Days: 0
- Route Stability: Stable (0 route changes in 30 days)
- DNSSEC: Valid
Network Relationships
- Network Association: AMAZON-SIN (repeated across 21 relationship entries)
- DNS Associations: Single hostname (ec2-47-128-112-31.ap-southeast-1.compute.amazonaws.com)
- No Cross-Organization Links: All relationships confined to AWS Singapore network
Security Recommendations
1. Traffic Analysis: Monitor outbound connections from this EC2 instance for anomalous behavior patterns.
2. Contextual Monitoring: Given the subnet's high abuse density (0.81), flag traffic from 47.128.112.0/24 for enhanced logging.
3. Service Verification: Confirm no unintended services are running; current scan indicates firewalled state.
4. DNS Validation: PTR record correctly resolves to AWS hostname; no spoofing indicators.
5. Whitelist Consideration: AWS infrastructure with no threat indicators may be whitelisted for expected traffic patterns.
Conclusion
IP 47.128.112.31 represents a stable AWS cloud endpoint with moderate risk due to neighborhood context. No active malicious activity observed. The subnet's high abuse density warrants continued monitoring of the /24 block, but this specific IP demonstrates normal cloud infrastructure behavior with no threat indicators requiring immediate action.
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*Intelligence Source: IPDebrief Platform*
*Data Freshness: Current as of latest observation window*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Amazon Data Services Singapore |
| ASN | AS16509 |
| Network Name | AMAZON-SIN |
| CIDR Block | 47.128.0.0/14 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | ec2-47-128-112-31.ap-southeast-1.compute.amazonaws.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | ec2-47-128-112-31.ap-southeast-1.compute.amazonaws.com |
π DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 β Basic operator with some routing infrastructure |
π Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 32% | 2 | 3 |
| routing | 27% | 2 | 3 |
| services | 13% | 1 | 1 |
| ownership | 39% | 3 | 5 |
| reputation | 28% | 1 | 3 |
| geolocation | 19% | 2 | 2 |
| Overall | 26% | 11 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-06-02 12:04:22 UTC |
| Last Seen | 2026-06-26 18:11:22 UTC |
| Profile Built | 2026-06-21 09:02:30 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 29 |
Full dossier details are available via our API.