15.220.66.38
15.220.66.38 is an IPv4 address operated by Amazon Data Services Poland (AS16509), geolocated to Warsaw, United States. Its reverse DNS name is ec2-15-220-66-38.eu-central-1.compute.amazonaws.com. As of November 2, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Amazon Data Services Poland |
| ASN | AS16509 |
| Network Name | AMAZON-WAW |
| CIDR Block | 15.220.64.0/21 |
| RIR | ARIN |
| Country | Poland |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-15-220-66-38.eu-central-1.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-15-220-66-38.eu-central-1.compute.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | lms-aws-eu-central-1-waw-1a.roblox.com |
| Valid From | 2026-09-21T00:00:00+00:00 |
| Valid Until | 2027-04-06T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 15.220.64.0/21 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Enabled |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 50% | 2 | 3 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 2 |
| ownership | 25% | 1 | 2 |
| reputation | 25% | 1 | 1 |
| geolocation | 25% | 1 | 1 |
| Overall | 29% | 7 | 10 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-17 20:01:51 UTC |
| Last Seen | 2026-11-02 08:24:37 UTC |
| Profile Built | 2026-11-02 08:28:10 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 15.220.66.38
Who owns the IP address 15.220.66.38?
15.220.66.38 is registered to Amazon Data Services Poland. The address falls within the 15.220.64.0/21 network block. Registration is held at ARIN.
Where is 15.220.66.38 located?
Geolocation data places 15.220.66.38 in Warsaw, Mazovia, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 15.220.66.38 malicious or safe?
15.220.66.38 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 15.220.66.38?
The reverse DNS (PTR) record for 15.220.66.38 is ec2-15-220-66-38.eu-central-1.compute.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 15.220.66.38?
Responsive ports observed on 15.220.66.38 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.