## IP Intelligence Briefing: 13.221.216.77
Classification: Low Risk - Cloud Infrastructure
Date: August 2026
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Executive Summary
IP 13.221.216.77 operates as a low-risk (score: 25) Amazon Web Services EC2 instance in Ashburn, Virginia. No active threat indicators, blacklist associations, or malicious campaign affiliations detected. The IP resolved successfully to AWS infrastructure with standard DNS records and exhibits stable ownership characteristics.
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Ownership & Infrastructure
- Organization: Amazon Data Services Northern Virginia (ASN 14618)
- Network: AMAZON-IAD (13.216.0.0/13)
- Geolocation: Ashburn, VA, US (Coordinates: 39.04, -77.49)
- Infrastructure Type: Single-Service Host (AWS EC2)
- Ownership Stability: No ownership changes observed
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Network Services & Exposed Ports
- Open Ports: TCP/3389 (RDP)
- DNS Resolution: ec2-13-221-216-77.compute-1.amazonaws.com
- Reverse DNS: Confirmed and consistent with AWS naming conventions
- TLS Certificates: None detected
- HTTP Services: None detected
Note: The exposed RDP service (port 3389) represents a potential attack surface if this instance is publicly accessible.
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Threat Intelligence Profile
- Risk Score: 25 (Low Risk)
- Blacklist Count: 0
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Active Threat Feeds: None
- Campaign Associations: None identified
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Historical Observations
17 total observations recorded. Recent activity includes:
- Ownership verification: Stable with no changes
- Geolocation validation: Consistent (ICMP validation blocked, but geo plausible)
- No threat persistence indicators
- No malicious activity observed
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Subnet Analysis
- /24 Neighbors: 0 detected in 13.221.216.0/24
- Abuse Density: 0%
- High-Risk Neighbors: 0
- Threat-Siblings: 0
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Relationships
The IP is associated with:
- Network: AMAZON-IAD
- Hostname: ec2-13-221-216-77.compute-1.amazonaws.com
No cross-organizational or multi-ASN relationships detected.
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Recommendations
Monitoring Priority: LOW
1. RDP Exposure: Verify if port 3389 should be restricted. If this is an internal resource, ensure proper network segmentation.
2. Baseline Verification: Confirm expected services on this EC2 instance. RDP exposure on cloud infrastructure may warrant review depending on use case.
3. No Action Required: No immediate blocking or mitigation actions recommended. IP exhibits normal cloud infrastructure behavior.
Summary: This IP represents legitimate AWS cloud infrastructure with no malicious indicators. Standard cloud security posture applies.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Amazon Data Services Northern Virginia |
| ASN | AS14618 |
| Network Name | AMAZON-IAD |
| CIDR Block | 13.216.0.0/13 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | ec2-13-221-216-77.compute-1.amazonaws.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | ec2-13-221-216-77.compute-1.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 | Single-Service Host |
| Network Tier | Tier 3 β Basic operator with some routing infrastructure |
π Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 3389 | rdp | tcp | β |
| Closed Ports | 22, 25, 80, 443, 8080, 8443 (1 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 | 25% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 20% | 2 | 4 |
| reputation | 16% | 1 | 3 |
| geolocation | 17% | 2 | 3 |
| Overall | 16% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | High (85%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-08-07 01:03:50 UTC |
| Last Seen | 2026-09-14 05:12:19 UTC |
| Profile Built | 2026-09-14 05:18:55 UTC |
| Data Freshness | Live |
| Signal Types | 26 |
| Total Observations | 33 |
Full dossier details are available via our API.