# Intelligence Briefing: IP 18.153.103.204/32
## Executive Summary
IP 18.153.103.204 is a low-risk, legitimate Amazon Web Services (AWS) infrastructure endpoint located in Frankfurt, Germany (eu-central-1). No threat indicators, malicious activity, or security concerns were identified across all analyzed data sources.
## Asset Classification
- Provider: Amazon Web Services (ASN 16509)
- Infrastructure Type: EC2 Cloud Instance
- Geolocation: Frankfurt, Hesse, Germany (50.11°N, 8.68°E)
- DNS Resolution: ec2-18-153-103-204.eu-central-1.compute.amazonaws.com
- Network Role: Cloud Provider Infrastructure
## Risk Assessment
| Metric | Value |
|---|---|
| Risk Score | 0 (Low Risk) |
| Abuse Confidence Score | Not Applicable |
| Blacklist Count | 0 |
| Threat Indicators | None Detected |
| Known Campaigns | None |
## Technical Observations
- Services: No open ports detected; endpoint appears firewalled or inactive
- DNS: Forward resolution confirmed; PTR hostname validates AWS EC2 identity
- TLS/HTTP: No active web services; no TLS certificates observed
- Control Plane: BGP prefix 18.153.0.0/16; route stability flag inactive
- Operator Score: 0.2609 (Basic classification)
## Historical Analysis
- Observation Count: 13 signals collected
- Temporal Trends: No significant changes in geolocation, DNS, threat status, or service profile
- Ownership Stability: No ownership changes recorded
- Threat Persistence: 0 days; not persistently malicious
## Neighborhood Context (18.153.103.0/24)
- Abuse Density: 0%
- Classification: Clean
- Threat Siblings: 0
- Active Siblings: 0
- Total Siblings: 1
## Relationship Graph
- DNS Associations: ec2-18-153-103-204.eu-central-1.compute.amazonaws.com (verified)
- External Links: None detected beyond AWS infrastructure
## Recommended Actions
No security actions or firewall rules are recommended. This endpoint is classified as benign infrastructure with no threat indicators.
---
*Report generated using IPDebrief intelligence tools. All data sourced from live network reconnaissance.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | A100 ROW GmbH |
| ASN | AS16509 |
| Network Name | AMAZO-ZFRA |
| CIDR Block | 18.153.0.0/16 |
| RIR | ARIN |
| Country | Germany |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | ec2-18-153-103-204.eu-central-1.compute.amazonaws.com |
| Forward Confirmed | Yes โ FCrDNS verified |
| Forward Hostnames | ec2-18-153-103-204.eu-central-1.compute.amazonaws.com |
๐ DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 โ Basic operator with some routing infrastructure |
๐ 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 | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 36% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 32% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 26% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-07-27 09:39:06 UTC |
| Last Seen | 2026-08-12 21:24:52 UTC |
| Profile Built | 2026-08-12 21:35:48 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 26 |
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