# IP Intelligence Briefing: 35.91.219.215/32
Classification: LOW RISK β Legitimate Cloud Infrastructure
Date of Analysis: August 2026
Threat Score: 25/100
## Executive Summary
IP address 35.91.219.215 is a legitimate Amazon Web Services (AWS) EC2 instance with no observable malicious indicators. The address operates within AWS's us-west-2 (Oregon) region and demonstrates standard cloud infrastructure characteristics. No security action is required at this time.
## Infrastructure Profile
| Attribute | Value |
|---|---|
| **Organization** | Amazon.com, Inc. (ASN 16509) |
| **Network Block** | 35.80.0.0/12 (AMAZON-ZPDX) |
| **Geolocation** | Portland, Oregon, US |
| **Infrastructure Type** | Cloud Compute (EC2) |
| **DNS Resolution** | ec2-35-91-219-215.us-west-2.compute.amazonaws.com |
| **Risk Score** | 25 (Low Risk) |
## Threat Assessment
- Malicious Activity: None detected
- Blacklist Status: Clean (0 blacklist entries)
- Known Campaigns: None
- Tor Exit Node: No
- Spam Source: No
- Known Attacker: No
- Open Ports: None detected (service blocked/firewalled)
## Neighborhood Analysis
The /24 subnet (35.91.219.0.0/24) shows:
- Abuse Density: 0%
- Classification: Clean
- Active Threat Siblings: 0
- Total Threat Siblings: 0
## Historical Observation
Analysis of 25 historical observations indicates:
- Ownership Changes: 0
- Threat Persistence: None
- Persistence Classification: Not persistently malicious
- Threat Observation Count: 1 (single benign observation)
- Operator Score: 0.2609 (Basic)
## Relationship Network
The IP exhibits standard AWS infrastructure relationships:
- DNS Associations: ec2-35-91-219-215.us-west-2.compute.amazonaws.com
- Network Associations: AMAZON-ZPDX (AWS network)
- No External Threat Correlations: None identified
## Recommended Actions
No immediate security action required. This IP represents legitimate AWS cloud infrastructure with standard security controls in place. No firewall rules or blocking recommendations are warranted.
## Intelligence Context
This address is part of AWS's standard EC2 infrastructure. The absence of open ports indicates proper security group configuration. The IP should be treated as trusted infrastructure unless additional intelligence indicates otherwise. No correlation with known threat actor campaigns or malicious activity patterns.
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*This briefing is based on IPDebrief intelligence platform data. Analysts should combine this information with local context and threat intelligence before making final determinations.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZON-ZPDX |
| CIDR Block | 35.80.0.0/12 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | ec2-35-91-219-215.us-west-2.compute.amazonaws.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | ec2-35-91-219-215.us-west-2.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 | Tier 3 β Basic operator with some routing infrastructure |
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 | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 30% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 25% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-07-26 03:09:05 UTC |
| Last Seen | 2026-08-12 20:16:41 UTC |
| Profile Built | 2026-08-12 20:26:08 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 26 |
Full dossier details are available via our API.