3.19.42.20
The IP address 3.19.42.20 was identified as a web server hosted within Amazon Web Services infrastructure in Columbus, Ohio. Operational records attributed the address to Amazon Technologies Inc. under ASN 16509. Network scans revealed the host utilized openresty and exposed TCP ports 80 and 443. A TLS certificate was observed for the *.smartthings.com domain, issued by Amazon RSA 2048 M04. Threat intelligence feeds returned no blacklist entries, known campaigns, or attacker indicators, maintaining a low-risk reputation score of 25. The 3.19.42.20/24 subnet was classified as clean with zero abuse density and no active threat siblings. Operational guidance recommended a monitor action with low severity based on the clean neighborhood context and lack of malicious behavior.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Technologies Inc. |
| ASN | AS16509 |
| Network Name | AT-88-Z |
| CIDR Block | 3.0.0.0/9 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-3-19-42-20.us-east-2.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-3-19-42-20.us-east-2.compute.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 |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | openresty |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.smartthings.com |
| Valid From | 2026-06-19T00:00:00+00:00 |
| Valid Until | 2027-01-02T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
| Serial Number | 0DE7F8097AB8AAC6B6608BC1067DB7F2 |
| Thumbprint | 9F0608FE2898E0E0813DEFB3BA5587591DFEE14A |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 50% | 2 | 3 |
| reputation | 25% | 1 | 1 |
| geolocation | 25% | 1 | 1 |
| Overall | 32% | 9 | 10 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-08 22:36:51 UTC |
| Last Seen | 2026-09-08 22:36:51 UTC |
| Profile Built | 2026-09-08 22:53:28 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 22 |
Full dossier details are available via our API.