13.217.79.31
The IP address 13.217.79.31 was identified as a Low Risk endpoint associated with Amazon Data Services Northern Virginia (ASN 14618). The address was resolved via forward-confirmed reverse DNS to ec2-13-217-79-31.compute-1.amazonaws.com, confirming its classification as an Amazon Web Services (AWS) infrastructure resource.
Network analysis showed the system was listening on TCP port 443 (HTTPS). A TLS certificate validated the endpoint as sts.us-east-1.amazonaws.com. Threat intelligence feeds did not return any malicious indicators, blacklist entries, or known attacker signatures. The neighborhood classification was clean with zero threat siblings observed.
Based on the forward-confirmed reverse DNS and lack of malicious activity, the system was recommended for Allow status at the firewall level.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Data Services Northern Virginia |
| ASN | AS14618 |
| Network Name | AMAZON-IAD |
| CIDR Block | 13.216.0.0/13 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-13-217-79-31.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-13-217-79-31.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 | sts.us-east-1.amazonaws.comsts.us-east-1.api.aws*.tokens.sts.global.api.aws*.sts.us-east-1.vpce.amazonaws.comsts.amazonaws.com |
| Valid From | 2026-08-18T00:00:00+00:00 |
| Valid Until | 2027-03-03T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
| Serial Number | 0AE783A9F354423EE2B33460BB5B2A34 |
| Thumbprint | 479BF7C3AC9DAED1B832ABAA2799E3409EC2080D |
🎯 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 | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-08 23:03:03 UTC |
| Last Seen | 2026-09-08 23:03:03 UTC |
| Profile Built | 2026-09-08 23:23:28 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 23 |
Full dossier details are available via our API.