## IP Intelligence Briefing: 47.128.121.52/32
Classification: Moderate Risk (40/100)
Executive Summary
IP 47.128.121.52 is an AWS cloud compute infrastructure resource located in Singapore (ap-southeast-1 region). The IP operates under Amazon Data Services Singapore (ASN 16509) with no current direct threat indicators. However, the surrounding /24 subnet exhibits elevated abuse density, warranting contextual awareness.
Infrastructure Profile
- Organization: Amazon Data Services Singapore
- ASN: 16509 (Amazon.com Inc.)
- Geolocation: Singapore (1.35°N, 103.82°E)
- DNS Resolution: ec2-47-128-121-52.ap-southeast-1.compute.amazonaws.com
- Infrastructure Type: CloudCompute (AWS EC2)
- Service Status: Firewalled / No Services Exposed
- Blacklist Status: 0 listings
Neighborhood Context
Subnet: 47.128.121.0/24
- Abuse Density: 0.5875 (High)
- Total Siblings: 80 IPs
- Active Siblings: 54
- Threat Siblings: 47
- Inherited Risk Score: 23
The subnet contains 47 threat-associated IPs, indicating this /24 block may host compromised instances. This contextual factor should be considered when evaluating traffic from or to the subnet.
Threat Intelligence
Direct Indicators: None
- No known attacker associations
- No spam source classification
- No Tor exit node activity
- No known campaign affiliations
Historical Observations: 21 signals recorded
- Recent activity observed as of 2026-06-20
- No persistent malicious behavior detected
- Ownership stability maintained
Operational Context
Network Role: Hosting infrastructure
Control Plane: DNSSEC valid, route changes stable
Risk Classification: Provider infrastructure with elevated neighborhood risk
Recommended Actions
1. Traffic Filtering: No immediate block required; IP is legitimate AWS infrastructure
2. Monitoring: Monitor traffic patterns given high-abuse subnet context
3. Correlation: Cross-reference with other 47.128.121.0/24 IPs for threat correlation
4. Allowlist Consideration: Legitimate AWS EC2 instance; may warrant allowlist status for expected traffic patterns
Intelligence Narrative
IP 47.128.121.52 represents a cloud compute resource within the AWS Singapore infrastructure. While the individual IP shows no direct malicious activity, the surrounding /24 subnet exhibits significant abuse density with 47 threat-associated addresses. The IP resolves to a standard AWS EC2 hostname with no open services or threat indicators. Security teams should treat this as legitimate infrastructure but maintain contextual awareness of the neighborhood risk profile. Traffic anomalies from this IP warrant investigation to rule out potential compromise of the hosting instance.
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Generated: [Current Date]
Source: IPDebrief Intelligence Platform
Classification: Defensive Security Intelligence
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 | β |
| CIDR Block | β |
| RIR | ARIN |
| Country | β |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | ec2-47-128-121-52.ap-southeast-1.compute.amazonaws.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | ec2-47-128-121-52.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 | Hosting β Infrastructure provider without advanced routing |
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 | 26% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-19 03:36:30 UTC |
| Last Seen | 2026-06-28 08:30:10 UTC |
| Profile Built | 2026-06-29 02:35:09 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 26 |
Full dossier details are available via our API.