18.238.49.37
The IP address 18.238.49.37 was identified as a web server associated with Amazon Web Services CloudFront (AS16509). Ownership records attributed the address to Amazon.com, Inc. within the 18.238.0.0/15 block. Network role classification indicated a cloud content delivery network service, and DNS resolution confirmed the hostname server-18-238-49-37.jfk52.r.cloudfront.net in New York. Open ports 80 and 443 were observed, consistent with web server functionality.
Threat assessment categorized the reputation as Low Risk with a risk score of 25. No known campaigns or attack indicators were present, and behavioral analysis recorded zero honeypot hits or enumeration strikes. However, control plane data indicated one listing on eight total DNS blacklists. Geolocation validation presented a contradiction; the address was mapped to New York, United States, yet physics-based RTT measurements suggested a distance inconsistent with that location.
Neighborhood analysis classified the /24 subnet as clean with zero threat siblings. Given the low confidence in data sufficiency and signal contradictions, the recommended action was monitoring with low severity.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZON-CF |
| CIDR Block | 18.238.0.0/15 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | server-18-238-49-37.jfk52.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-18-238-49-37.jfk52.r.cloudfront.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 18.238.48.0/22 |
| Route mapping | Found |
🎯 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 | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-27 05:47:20 UTC |
| Last Seen | 2026-11-01 16:34:01 UTC |
| Profile Built | 2026-11-01 16:51:17 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 18.238.49.37
Who owns the IP address 18.238.49.37?
18.238.49.37 is registered to Amazon.com, Inc.. The address falls within the 18.238.0.0/15 network block. Registration is held at ARIN.
Where is 18.238.49.37 located?
Geolocation data places 18.238.49.37 in New York, US-NY, United States. The local time zone is America/New_York. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 18.238.49.37 malicious or safe?
18.238.49.37 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 18.238.49.37?
The reverse DNS (PTR) record for 18.238.49.37 is server-18-238-49-37.jfk52.r.cloudfront.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 18.238.49.37?
Responsive ports observed on 18.238.49.37 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.