# INTELLIGENCE BRIEFING: 47.128.112.219/32
Classification: Moderate Risk β Cloud Infrastructure Asset
Date of Assessment: 2026-06-14
Intel Source: IPDebrief Intelligence Platform
---
## EXECUTIVE SUMMARY
IP 47.128.112.219 is a cloud-compute endpoint hosted within Amazon Web Services (AWS) infrastructure in Singapore. The IP carries a moderate risk score of 40/100 and is associated with a /24 subnet (47.128.112.0/24) exhibiting high-abuse classification with a 0.75 abuse density. No direct malicious indicators were observed, though neighborhood context suggests elevated operational risk.
---
## INFRASTRUCTURE PROFILE
| Attribute | Value |
|---|---|
| **ASN** | 16509 (Amazon Data Services Singapore) |
| **Organization** | Amazon Web Services |
| **Geolocation** | Singapore (1.35°N, 103.82°E) |
| **CIDR Block** | 47.128.0.0/14 (BGPPrefix) |
| **Infrastructure Type** | CloudCompute (EC2 Instance) |
| **PTR Record** | ec2-47-128-112-219.ap-southeast-1.compute.amazonaws.com |
| **DNS Resolution** | ec2-47-128-112-219.ap-southeast-1.compute.amazonaws.com |
| **Status** | Firewalled / No Active Services |
---
## THREAT INDICATOR ANALYSIS
Direct Threat Indicators:
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Blacklist Count: 0
- Threat Feeds: None detected
- Campaign Correlation: None
Control Plane Observations:
- DNSBL Listed: 1 of 8 lists (dnsblListedCount: 1)
- DNSSEC Valid: Yes
- RPKI State: Not available
- Operator Score: 0.2609 (Basic)
---
## NETWORK CONTEXT & NEIGHBORHOOD ANALYSIS
Subnet: 47.128.112.0/24
- Abuse Density: 0.75 (High)
- Classification: high_abuse
- Total Siblings: 100
- Active Siblings: 68 (68% utilization)
- Threat Siblings: 75 (75% show threat indicators)
- Inherited Risk Score: 30/100
Risk Distribution in /24:
- High Risk: 0 IPs
- Medium Risk: 97 IPs
- Low Risk: 2 IPs
The subnet demonstrates significant operational activity with a majority of neighbors classified as medium risk, consistent with AWS cloud infrastructure hosting legitimate but potentially abused services.
---
## OBSERVATION HISTORY
Total Observations: 21 signals
Recent Activity Period: 2026-06-14 (07:15β17:23 UTC)
Key Historical Signals:
- Cloud Infrastructure Identification: Confirmed AWS provider (confidence: 0.85)
- Geolocation Inference: Singapore (confidence: 0.56)
- Operator Scoring: Basic classification (score: 0.2609)
- Port Scanning: Multiple ports probed, no open services detected
- Certificate Matching: No certificate matches detected
Temporal Analysis:
- Ownership Changes: 0
- Threat Persistence Days: 0
- Is Persistently Malicious: No
- Threat Observation Count: 1
---
## RELATIONSHIP GRAPH ANALYSIS
Total Relationships: 33 entities linked
Primary Associations:
- DNS: ec2-47-128-112-219.ap-southeast-1.compute.amazonaws.com (repeated associations)
- Network: AMAZON-SIN (AWS Singapore region)
- No campaign correlations identified
- No correlated IPs in threat graphs
---
## RECOMMENDED ACTIONS
Risk-Based Recommendation: Monitor or Block (Context-Dependent)
Firewall Rules:
```bash
# iptables
iptables -A INPUT -s 47.128.112.219 -j DROP
# nftables
nft add rule inet filter input ip saddr 47.128.112.219 drop
# NGINX
deny 47.128.112.219;
# pfSense
47.128.112.219/32
# Cloudflare WAF
{"description": "Block 47.128.112.219 β IPDebrief risk score 40", "action": "block"}
# AWS WAF
{"Addresses": ["47.128.112.219/32"], "Description": "IPDebrief risk 40"}
```
Operational Notes:
- IP is an AWS EC2 instance in Singapore region (ap-southeast-1)
- No active services or open ports detected
- Moderate risk score (40/100) warrants context-aware blocking
- High-abuse neighborhood suggests potential for lateral threat activity
- Consider whitelisting if this is a known legitimate AWS service endpoint
---
## ANALYST NOTES
This IP represents typical AWS cloud infrastructure with moderate risk scoring. The high-abuse neighborhood classification is common for AWS /24 blocks hosting diverse workloads. Direct threat indicators are absent, but the operational context requires consideration of:
1. Legitimate cloud service endpoint vs. compromised instance
2. Potential for abuse of the subnet's high-activity profile
3. Monitoring recommendations for lateral movement patterns
Confidence Level: Medium (based on neighborhood context and moderate direct risk score)
---
*Report generated by IPDebrief Intelligence Platform*
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 | ec2-47-128-112-219.ap-southeast-1.compute.amazonaws.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | ec2-47-128-112-219.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 | 43% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 23% | 2 | 2 |
| Overall | 23% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-11 08:59:01 UTC |
| Last Seen | 2026-06-27 19:20:16 UTC |
| Profile Built | 2026-06-28 13:25:38 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 28 |
Full dossier details are available via our API.