47.128.121.63
IP Intelligence Briefing: 47.128.121.63
Date: 2026-06-14
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**1. Risk Profile**
- Risk Score: Moderate (50/100)
- Ownership: Amazon Data Services Singapore (ASN 16509)
- Geolocation: Singapore (SG) | GeoValidation: *Not Plausible*
- Network Role: CloudCompute (AWS EC2 instance) | Hosting: False | CDN: False
- Threat Indicators: No malicious activity detected (no blacklists, campaigns, or DNS threats).
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**2. Observation History**
- Recent Activity:
- DNS resolution to `ec2-47-128-121-63.ap-southeast-1.compute.amazonaws.com` (AWS).
- Subnet abuse density: 0.5085 (high_abuse classification).
- 20 observations over 30 days, with 15% high-severity threats detected in DNS and network signals.
- Stability: Route stability is *not confirmed*; BGP prefix `47.128.0.0/14` shows irregular updates.
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**3. Relationships**
- Key Associations:
- DNS: Linked to AWS-managed hostname `ec2-47-128-121-63.ap-southeast-1.compute.amazonaws.com`.
- Network: Part of the `AMAZON-SIN` network (ASN 16509).
- Subnet: `47.128.121.63/24` with 30 threat siblings (51% of neighbors).
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**4. Neighborhood Analysis**
- Subnet: `47.128.121.63/24`
- Abuse Density: 50.85% (high_abuse classification).
- Neighbor Risk:
- 51 IPs with moderate risk (40–60 score).
- 19 IPs with low risk.
- 30 neighbors flagged as threat siblings (potential compromised or malicious activity).
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**5. Recommendations**
- Monitor Subnet: High abuse density in the subnet suggests potential lateral movement risks.
- Verify Geolocation: GeoValidation is *not plausible*; investigate discrepancies.
- Block Subnet: Consider blocking the `47.128.121.0/24` subnet if suspicious activity is detected.
- Check AWS Logs: Confirm the EC2 instance’s legitimacy via AWS console.
Conclusion: This IP is a legitimate AWS EC2 instance, but its subnet exhibits high abuse density. Further investigation into the subnet’s activity is recommended.
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Source: IPDebrief Threat Intelligence Platform
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Data Services Singapore |
| ASN | AS16509 |
| Network Name | — |
| CIDR Block | 47.128.0.0/14 |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-47-128-121-63.ap-southeast-1.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-47-128-121-63.ap-southeast-1.compute.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 30% | 2 | 3 |
| routing | 30% | 2 | 3 |
| services | 12% | 2 | 2 |
| ownership | 33% | 3 | 6 |
| reputation | 22% | 1 | 2 |
| geolocation | 33% | 2 | 3 |
| Overall | 26% | 12 | 19 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-13 00:39:25 UTC |
| Last Seen | 2026-06-27 22:24:28 UTC |
| Profile Built | 2026-06-28 16:29:15 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 30 |
Full dossier details are available via our API.