3.85.190.121
## IP Intelligence Briefing: 3.85.190.121
Classification: LOW RISK - Cloud Infrastructure
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Executive Summary
IP 3.85.190.121 is a low-risk (risk score: 15) Amazon Web Services EC2 instance hosted in Ashburn, Virginia (US). The IP demonstrates stable cloud infrastructure characteristics with no active threat indicators, open services, or malicious reputation. No firewall blocking is recommended at this time.
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Asset Profile
- Organization: Amazon Data Services Northern Virginia
- ASN: 16509 (AMAZON-02)
- Network: AMAZON-IAD (3.80.0.0/12)
- Location: Ashburn, VA, United States
- Infrastructure Type: CloudCompute (AWS EC2)
- PTR Hostname: ec2-3-85-190-121.compute-1.amazonaws.com
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Threat Assessment
- Risk Score: 15 (Low Risk)
- Abuse Confidence: None reported
- Threat Indicators: No active indicators
- Blacklist Status: Listed on 1 of 8 DNSBLs (medium severity)
- Tor/Proxy/VPN: Not identified
- Known Attacker/Spam Source: False
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Infrastructure Analysis
- Services: No open ports detected
- DNS: Forward resolution confirmed (amazonaws.com domain)
- Email Auth: SPF and DMARC records present
- Control Plane: DNSSEC valid, RPKI state pending validation
- Neighborhood: Clean subnet (3.85.190.0/24) with 0 abuse density
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Historical Observation
- Total Observations: 28 signals
- Ownership Stability: Stable AWS infrastructure
- Recent ASN Variations: Multiple ASN mappings observed (14618 AMAZON-AES, 16509 AMAZON-02) consistent with AWS cloud routing
- Threat Persistence: None detected
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Relationship Graph
- DNS Associations: ec2-3-85-190-121.compute-1.amazonaws.com
- Network Affiliation: AMAZON-IAD
- Related Entities: 69 total relationships (primarily DNS/network associations)
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Recommended Actions
No immediate security actions required.
The IP demonstrates typical AWS EC2 behavior with low-risk characteristics. Standard cloud traffic monitoring is appropriate. No firewall rules or blocking recommended.
Note: Monitor for any changes in risk score or new threat indicators on future observations.
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*Intelligence generated via IPDebrief analysis tools. Data current as of analysis timestamp.*
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 | AMAZON-IAD |
| CIDR Block | 3.80.0.0/12 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-3-85-190-121.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-3-85-190-121.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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS14618 |
| Network Prefix | 3.80.0.0/12 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 38% | 2 | 4 |
| routing | 17% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 23% | 2 | 3 |
| Overall | 21% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-05 05:35:33 UTC |
| Last Seen | 2026-09-19 01:35:52 UTC |
| Profile Built | 2026-09-17 18:51:59 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 28 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 3.85.190.121
Who owns the IP address 3.85.190.121?
3.85.190.121 is registered to Amazon Data Services Northern Virginia. The address falls within the 3.80.0.0/12 network block. Registration is held at ARIN.
Where is 3.85.190.121 located?
Geolocation data places 3.85.190.121 in Ashburn, VA, United States. The local time zone is America/New_York. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 3.85.190.121 malicious or safe?
3.85.190.121 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 3.85.190.121?
The reverse DNS (PTR) record for 3.85.190.121 is ec2-3-85-190-121.compute-1.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 3.85.190.121 a VPN, proxy, or data center address?
3.85.190.121 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.