3.0.166.8
IP Intelligence Briefing: 3.0.166.8
Date: 2026-06-01
**Summary**
The IP 3.0.166.8 is a low-risk Amazon Web Services (AWS) cloud infrastructure host in Singapore. It is associated with AWS's "AMAZON-SIN" network segment and shows no signs of malicious activity, spam, or known attacker campaigns.
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**Key Findings**
1. Ownership & Provider
- ASN: 16509 (Amazon Data Services Singapore)
- ISP: Amazon Web Services (AWS)
- Network Role: CloudCompute (AWS EC2 instance)
- Geolocation: Singapore (latitude: 1.35, longitude: 103.82)
2. Threat Indicators
- No malicious activity detected: No indicators of spam, attacks, or known malicious campaigns.
- DNS Associations: Linked to AWS-hosted hostname `ec2-3-0-166-8.ap-southeast-1.compute.amazonaws.com`.
- BGP/Network: Subnet `3.0.166.8/24` has no active neighbors (likely isolated or under heavy AWS segmentation).
3. Observation History
- Risk Stability: Low risk (score: 25) with no persistent malicious activity.
- Geolocation Validation: ICMP blocked, preventing full RTT validation, but geolocation inferred via DNS and network signals.
4. Network Relationships
- Same Network: Associated with AWS network "AMAZON-SIN" (likely Singapore region).
- DNS: All DNS records point to AWS-managed hosts.
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**Actionable Intelligence**
- SOC Analyst Notes:
- The IP is a legitimate AWS cloud instance with no immediate threats.
- Monitor for unexpected DNS changes or new services (e.g., open ports) that could indicate misconfiguration or compromise.
- Verify if the associated AWS instance has proper security groups and access controls.
- No need for firewall blocking unless the IP is part of a larger malicious network (not observed here).
- Recommended Actions:
- No immediate security actions required.
- Consider correlating with AWS cloud security tools (e.g., AWS WAF, CloudTrail) for deeper visibility.
Conclusion: 3.0.166.8 is a benign AWS cloud host with no evidence of malicious intent. No further action is needed unless new threats emerge.
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*Generated using IPDebrief threat intelligence tools.*
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 | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-3-0-166-8.ap-southeast-1.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-3-0-166-8.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 | 29% | 2 | 4 |
| routing | 22% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 25% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-22 09:13:00 UTC |
| Last Seen | 2026-06-28 18:41:49 UTC |
| Profile Built | 2026-06-29 06:46:07 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 25 |
Full dossier details are available via our API.