3.137.157.218
IP Threat Intelligence Briefing: 3.137.157.218
Date: 2026-06-11
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**1. Core Profile**
- Risk Rating: Low Risk (Risk Score: 25)
- Ownership: Amazon Technologies Inc. (ASN: 16509)
- Geolocation: Columbus, Ohio, US (Latitude: 39.96, Longitude: -83)
- Network Role: Amazon Web Services (CloudCompute infrastructure)
- Threat Indicators: No malware, spam, or attack signatures detected.
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**2. Observation History**
- Recent Activity:
- Last scanned: 2026-06-11 (no open ports or TLS certificates detected).
- Geolocation validated via multi-signal inference (accuracy ±150km).
- BGP route stability: Unstable (route changes detected in 30 days).
- Trend: No persistent threats or ownership changes observed.
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**3. Network Relationships**
- Linked Entities:
- DNS: `ec2-3-137-157-218.us-east-2.compute.amazonaws.com` (AWS EC2 instance).
- Network: Subnet `AT-88-Z` (Amazon’s ASN 16509).
- Services: No exposed ports or TLS services.
- No malicious associations detected (no blacklists, Tor, or spam sources).
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**4. Subnet Analysis**
- Subnet: `3.137.157.218/24`
- Abuse Density: 0% (clean subnet).
- Neighbors: No active or malicious sibling IPs reported.
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**5. Recommendations**
- Monitor: Track for unexpected BGP route changes or new service exposure.
- Firewall: No immediate blocking required; IP is legitimate AWS infrastructure.
- Validation: ICMP validation failed (firewalled), but geolocation and ownership align with AWS.
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Conclusion:
The IP is a legitimate Amazon EC2 instance with no signs of malicious activity. Low-risk profile and AWS ownership indicate it is likely a normal cloud server. No action required unless unusual behavior is detected.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Technologies Inc. |
| ASN | AS16509 |
| Network Name | AT-88-Z |
| CIDR Block | 3.128.0.0/9 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-3-137-157-218.us-east-2.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-3-137-157-218.us-east-2.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 | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 24% | 2 | 3 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-29 12:05:02 UTC |
| Last Seen | 2026-06-29 06:26:46 UTC |
| Profile Built | 2026-06-29 06:46:06 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 32 |
Full dossier details are available via our API.