52.72.44.136
Intelligence assessment for 52.72.44.136 classified the address as Low Risk with a risk score of zero. Ownership data linked the endpoint to Amazon Technologies Inc. (ASN 14618) within the 52.0.0.0/10 CIDR block, situated in Ashburn, VA.
Technical observations confirmed the host functioned as an Amazon Web Services Web Server. Port 443 was open over TCP/HTTPS. TLS validation identified a certificate issued by Amazon RSA 2048 M04 for `*.execute-api.us-east-1.amazonaws.com`. HTTP interactions returned a 403 status code with response headers containing `x-amz-apigw-id`, consistent with API Gateway functionality.
Threat indicators remained absent across all feeds. The address was not listed on blacklists, was not a Tor exit node, and showed no known attacker attribution. Neighborhood analysis of the /24 subnet reported zero threat siblings and a clean classification. Behavioral data recorded zero incidents, honeypot hits, or WAF violations.
The recommendation was to allow traffic. Forward-confirmed reverse DNS validated the endpoint as a legitimate AWS instance, and DNS hygiene checks passed with SPF and DMARC records present.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Technologies Inc. |
| ASN | AS14618 |
| Network Name | AT-88-Z |
| CIDR Block | 52.0.0.0/10 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-52-72-44-136.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-52-72-44-136.compute-1.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.execute-api.us-east-1.amazonaws.com |
| Valid From | 2026-07-07T00:00:00+00:00 |
| Valid Until | 2027-01-20T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
| Serial Number | 0426AA300E3DBE365DA67587FBA7FEC3 |
| Thumbprint | 0CF2C7E11974E3A76745254496A423173F9BE038 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 22% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-07 23:38:12 UTC |
| Last Seen | 2026-09-07 23:38:12 UTC |
| Profile Built | 2026-09-08 02:15:10 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 22 |
Full dossier details are available via our API.