INTELLIGENCE BRIEFING: 13.55.237.7
Executive Summary
IP address 13.55.237.7 is identified as low-risk infrastructure associated with Amazon Web Services (AWS) in the Sydney region. No malicious indicators detected. Recommended action: allow with monitoring.
Infrastructure Profile
- Risk Score: 25 (Low Risk)
- Owner: Amazon Corporate Services Pty Ltd (ASN 16509)
- Network: AMAZO-ZSYD (13.54.0.0/15)
- Location: Sydney, NSW, Australia (ap-southeast-2 region)
- Classification: AWS EC2 Instance (Firewalled / No Services)
- DNS Resolution: ec2-13-55-237-7.ap-southeast-2.compute.amazonaws.com
Threat Assessment
- Malicious Indicators: None detected
- Blacklist Status: Listed on 1 of 8 DNSBLs (likely AWS service-specific filtering)
- Tor/Proxy/VPN: Negative
- Spam Source: Negative
- Known Attacker: Negative
- Tor Exit Node: Negative
- Campaign Correlation: None
Network Neighborhood
- /24 Subnet: 13.55.237.0/24
- Abuse Density: 0.0 (Clean)
- Threat Siblings: 0
- High-Risk Neighbors: 0
Observation History
- Total Observations: 15
- Ownership Stability: Consistent (Amazon infrastructure)
- Threat Persistence: None observed
- Recent Changes: No significant shifts in risk profile
- Geo Validation: ICMP blocked (standard AWS behavior)
Control Plane
- Operator Score: 0.2609 (Basic)
- BGP Prefix: 13.54.0.0/15
- Route Stability: Unstable
- DNSSEC: Valid
Recommendations
- Classification: Infrastructure (AWS EC2)
- Action: Allow traffic; no blocking required
- Firewall Rules: No specific rules needed; standard AWS egress/ingress policies apply
- Monitoring: Continue standard logging for compliance
Conclusion
This IP represents legitimate AWS cloud infrastructure with a low-risk profile. No defensive action required beyond standard cloud security policies. The single DNSBL listing is consistent with AWS service filtering and does not indicate malicious activity.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Amazon Corporate Services Pty Ltd |
| ASN | AS16509 |
| Network Name | AMAZO-ZSYD |
| CIDR Block | 13.54.0.0/15 |
| RIR | ARIN |
| Country | Australia |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | ec2-13-55-237-7.ap-southeast-2.compute.amazonaws.com |
| Forward Confirmed | Yes โ FCrDNS verified |
| Forward Hostnames | ec2-13-55-237-7.ap-southeast-2.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 | Infrastructure / Datacenter |
| Service Purpose | Multi-Service Host |
| Network Tier | Tier 3 โ Basic operator with some routing infrastructure |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | โ |
| 22 | ssh | tcp | |
| Closed Ports | 25, 443, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | nginx/1.24.0 (Ubuntu) |
| HTTP Title | โ |
| SSH Version | SSH-2.0-OpenSSH_9.6p1 Ubuntu-3ubuntu13.18 |
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 | 30% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 30% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 23% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-08-11 11:48:59 UTC |
| Last Seen | 2026-08-27 09:43:57 UTC |
| Profile Built | 2026-08-29 04:41:10 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.