# IP Intelligence Briefing: 13.113.71.75/32
Date: Current Analysis
Classification: Low Risk Cloud Infrastructure
## Executive Summary
IP address 13.113.71.75 is identified as a legitimate Amazon Web Services (AWS) cloud compute instance located in Tokyo, Japan. The asset presents a low risk profile (Risk Score: 25) with no active threat indicators, blacklist listings, or malicious reputation signals. Analysis indicates standard cloud infrastructure usage with no evidence of abuse or exploitation.
## Asset Profile
| Attribute | Value |
|---|---|
| **IP Address** | 13.113.71.75/32 |
| **Risk Score** | 25 / 100 (Low Risk) |
| **ASN** | 16509 (AMAZON-AES) |
| **Organization** | Amazon Data Services Japan |
| **Network** | AMAZON-NRT (13.112.0.0/14) |
| **Geolocation** | Tokyo, Japan (JP) |
| **Infrastructure** | Cloud Compute (AWS EC2) |
| **DNS PTR** | ec2-13-113-71-75.ap-northeast-1.compute.amazonaws.com |
## Threat Assessment
Current Risk Indicators
- Threat Reputation: No active indicators
- Blacklist Status: Not listed on major threat feeds
- Known Campaigns: None detected
- Abuse Confidence Score: Not applicable (cloud infrastructure)
Historical Analysis
The IP address generated 23 observations across the monitoring period. Historical data confirms consistent classification as cloud infrastructure with no significant changes in risk posture. The subnet classification (13.113.71.75/24) remains "mostly_clean" with an abuse density rating of 0.
Network Relationships
- DNS Associations: Multiple DNS records point to ec2-13-113-71-75.ap-northeast-1.compute.amazonaws.com
- Network Affiliation: Confirmed association with AMAZON-NRT network block
- Related Entities: No malicious relationships or suspicious associations detected
## Neighborhood Analysis
The /24 subnet (13.113.71.75/24) exhibits low abuse density. No sibling IPs were identified in the neighborhood scan, and risk distribution across the subnet shows no high or medium risk classifications. This supports the conclusion that the IP address operates within a clean cloud environment.
## Technical Observations
- Services: No open ports detected; infrastructure appears to be firewalled with no exposed services
- DNS Security: DNSSEC validation confirmed active
- Control Plane: Route stability shows 0 route changes over 30 days
- Operator Score: 0.2609 (Basic operator classification)
## Recommendations
Based on the risk assessment, no immediate security actions are required for 13.113.71.75. The IP represents standard AWS cloud infrastructure with legitimate operational patterns. Standard monitoring practices should continue, but no blocking, rate limiting, or enhanced scrutiny is warranted at this time.
Analyst Notes: This asset should be treated as benign cloud infrastructure. Any unusual activity originating from this IP should be evaluated in the context of the broader network environment rather than in isolation.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Data Services Japan |
| ASN | AS16509 |
| Network Name | AMAZON-NRT |
| CIDR Block | 13.112.0.0/14 |
| RIR | ARIN |
| Country | Japan |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-13-113-71-75.ap-northeast-1.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-13-113-71-75.ap-northeast-1.compute.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 | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | AS16509 |
| Network Prefix | 13.112.0.0/14 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-09 01:18:32 UTC |
| Last Seen | 2026-08-26 18:42:27 UTC |
| Profile Built | 2026-08-29 07:41:25 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 13.113.71.75
Who owns the IP address 13.113.71.75?
13.113.71.75 is registered to Amazon Data Services Japan. The address falls within the 13.112.0.0/14 network block. Registration is held at ARIN.
Where is 13.113.71.75 located?
Geolocation data places 13.113.71.75 in Tokyo, 13, Japan. The local time zone is Asia/Tokyo. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 13.113.71.75 malicious or safe?
13.113.71.75 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 13.113.71.75?
The reverse DNS (PTR) record for 13.113.71.75 is ec2-13-113-71-75.ap-northeast-1.compute.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 13.113.71.75 a VPN, proxy, or data center address?
13.113.71.75 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.