18.97.36.73
IP 18.97.36.73 was identified as part of Amazon Technologies Inc. infrastructure (ASN 14618) located in Ashburn, VA. The asset maintained a Low Risk reputation with a risk score of 0 and zero blacklist entries. Forward-confirmed reverse DNS resolution mapped the address to `ec2-18-97-36-73.compute-1.amazonaws.com`, while port 443 presented an nginx server serving TLS certificates associated with `nexus-websocket-a.intercom.io`. No malicious behavior, including honeypot hits, enumeration strikes, or known campaign activity, was observed. The immediate subnet classification remained mostly clean. Given the confirmed legitimate infrastructure intent and absence of threat indicators, the recommended action was to Allow.
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 | 18.32.0.0/11 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-18-97-36-73.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-18-97-36-73.compute-1.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 | nginx |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | nexus-websocket-a.intercom.ionexus-websocket-pst.intercom.ionexus-websocket-overflow.intercom.ionexus-websocket-inbox.intercom.io |
| Valid From | 2026-08-09T00:00:00+00:00 |
| Valid Until | 2027-02-22T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
| Serial Number | 049CE817637CC8945B65063C530B254E |
| Thumbprint | 96B4E9457BE66F873B2286AFED177202BF751000 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 33% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 23% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-29 17:40:44 UTC |
| Last Seen | 2026-09-17 18:03:53 UTC |
| Profile Built | 2026-09-17 18:22:04 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 34 |
Full dossier details are available via our API.