100.31.7.20
IP Intelligence Briefing: 100.31.7.20
Date: 2026-06-08
---
**1. IP Profile**
- Risk Rating: Low Risk (Risk Score: 25 / 100)
- Ownership: Owned by Amazon Data Services Northern Virginia (ASN: 14618).
- Geolocation: Ashburn, VA, US (39.04°N, -77.49°E).
- Network Role: Amazon Web Services (AWS) CloudCompute instance.
- Threat Indicators: No malicious activity detected (no indicators, blacklist entries, or campaigns).
- Services: No open ports or TLS certificates observed.
---
**2. Observation History**
- Recent Signals (2026-06-08):
- DNSSEC validation confirmed.
- BGP prefix 100.24.0.0/13 linked to AWS infrastructure.
- Subnet 100.31.7.20/24 classified as "mostly_clean" with low abuse density.
- Trends: No significant changes in risk or network behavior observed over the past 30 days.
---
**3. Network Relationships**
- DNS Associations:
- Linked to ec2-100-31-7-20.compute-1.amazonaws.com (AWS EC2 instance).
- Network Peers:
- Part of AWS network AMAZON-IAD (Ashburn, VA).
- No connections to malicious domains, organizations, or subnets.
---
**4. Subnet Neighborhood**
- Subnet: 100.31.7.20/24
- Neighbor Analysis:
- 0 active siblings in the subnet.
- Abuse Density: 0 (no malicious activity detected in the subnet).
- Note: Conflicting data in "neighbors" tool (abuseDensity: 0) vs. "profile" (abuseDensity: 1). Verify subnet scope or data consistency.
---
**5. Recommendations**
- Monitor: Track for unexpected DNS changes or new service exposures.
- No Action Required: Legitimate AWS infrastructure with no threat indicators.
- Verify: Cross-check subnet abuse density discrepancies with AWS or ARIN records.
Conclusion: 100.31.7.20 is a legitimate AWS EC2 instance with no malicious activity detected. No immediate defensive action is required.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Data Services Northern Virginia |
| ASN | AS14618 |
| Network Name | — |
| CIDR Block | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-100-31-7-20.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-100-31-7-20.compute-1.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 | 27% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 26% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 21% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-19 09:35:54 UTC |
| Last Seen | 2026-06-28 08:39:00 UTC |
| Profile Built | 2026-06-29 02:45:24 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
Full dossier details are available via our API.