13.33.109.87
Security analysts observed IP 13.33.109.87 operating within the Amazon.com, Inc. (ASN 16509) AMAZO-CF cloud infrastructure. The asset was associated with the CloudFront service, resolving to Boston, Massachusetts, United States. Network scanning confirmed active HTTP and HTTPS services on ports 80 and 443, with a server banner indicating "CloudFront."
The address carried a reputation score of 25 and a Low Risk classification. While the threat indicators list remained empty, the profile flagged the address as a "Suspicious Host." Operational data revealed a geolocation contradiction where the claimed Boston location contradicted RTT physics measurements for a 5663km distance. The IP was listed on one of eight DNS blacklists. The neighborhood subnet 13.33.109.87/24 showed an abuse density of 0.1774 with 22 threat siblings.
Based on signal contradictions and the inherited subnet risk, analysts recommended monitoring the address with low severity classification. The most recent observation occurred on 2026-09-23.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZO-CF |
| CIDR Block | 13.32.0.0/15 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | server-13-33-109-87.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-13-33-109-87.bos50.r.cloudfront.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | CloudFront |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 43% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 33% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 38% | 2 | 5 |
| Overall | 30% | 10 | 21 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-05 01:36:21 UTC |
| Last Seen | 2026-09-23 12:08:09 UTC |
| Profile Built | 2026-09-23 12:16:29 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 39 |
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