# IP Intelligence Briefing: 100.26.188.159
## Executive Summary
IP 100.26.188.159 is a low-risk cloud infrastructure address belonging to Amazon Web Services (AWS) data center IAD-1 (Northern Virginia). No active malicious activity detected. SOC teams may treat as benign but should monitor for abnormal traffic patterns typical of compromised cloud instances.
## Profile Overview
| Attribute | Value |
|---|---|
| **Risk Score** | 25 (Low) |
| **Provider** | Amazon Web Services (AS14618) |
| **Organization** | Amazon Data Services Northern Virginia |
| **Network** | AMAZON-IAD (100.24.0.0/13) |
| **Location** | Ashburn, VA, US |
| **Classification** | CloudCompute / AWS EC2 |
| **Reputation** | Low Risk |
## Network Role & Services
- Infrastructure Type: CloudCompute (AWS EC2)
- Open Ports: None detected
- Active Services: None (firewalled/no services exposed)
- DNS Resolution: ec2-100-26-188-159.compute-1.amazonaws.com (forward confirmed)
- PTR Record: ec2-100-26-188-159.compute-1.amazonaws.com
## Threat Indicators
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Blacklist Count: 1 (from 8 total lists)
- Campaign Matches: 0
- Abuse Confidence: Not elevated
## Observation History (22 Signals)
Recent observations (Aug 12, 2026):
- Geolocation: Consistent Ashburn, VA location (confidence 0.56)
- Infrastructure: Confirmed AWS cloud environment (confidence 0.90)
- DNS Listings: 1 high-severity listing among 8 total lists
- Operator Score: 0.2609 (Basic classification)
- Threat Persistence: 0 days observed
## Neighborhood Analysis
| Metric | Value |
|---|---|
| Subnet | 100.26.188.0/24 |
| Abuse Density | 0 (mostly_clean) |
| Active Siblings | 1 |
| Threat Siblings | 1 |
| Inherited Risk | 2 (Low) |
## Relationships
- DNS Associations: ec2-100-26-188-159.compute-1.amazonaws.com (18 instances)
- Network Associations: AMAZON-IAD (18 instances)
- No external entity correlations detected
## Recommended Actions
1. Allow by default: IP is legitimate AWS infrastructure with low risk profile
2. Monitor for anomalies: Track unusual outbound traffic patterns that could indicate compromised instance
3. No blocking required: No immediate firewall rules needed
4. Contextual filtering: If traffic appears in threat context, investigate rather than block
## Intelligence Assessment
This IP represents standard AWS cloud infrastructure with no evidence of malicious activity. The single DNS blacklist listing is likely related to historical or non-malicious activity. SOC analysts may treat traffic from this IP as trusted cloud infrastructure, but should maintain awareness of cloud-specific threat vectors including compromised EC2 instances, lateral movement within AWS environments, and cloud-based command-and-control channels.
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 | 100.24.0.0/13 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | ec2-100-26-188-159.compute-1.amazonaws.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | ec2-100-26-188-159.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 | 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 | 31% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 26% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 24% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-07-29 10:32:54 UTC |
| Last Seen | 2026-08-12 23:12:10 UTC |
| Profile Built | 2026-08-12 23:21:24 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 22 |
Full dossier details are available via our API.