205.251.194.243
Intelligence Briefing: 205.251.194.243
The IP address was identified as belonging to Amazon Data Services Northern Virginia under ASN 16509. Reverse DNS resolution confirmed ns-755.awsdns-30.net. Risk assessment classified the endpoint as Low Risk with a risk score of 0. No open ports were detected, and the service purpose was recorded as Firewalled / No Services. Threat analysis revealed no known campaigns, empty blacklist counts, and zero threat siblings within the /24 subnet. The neighborhood classification was clean with an abuse density of 0. DNS hygiene scored 60 with valid SPF and DMARC records. The control plane indicated the operator label as Minimal. Action recommendation was Allow with a severity rating of info, citing forward-confirmed reverse DNS as a legitimate endpoint indicator.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Data Services Northern Virginia |
| ASN | AS16509 |
| Network Name | AMAZON-BYOIP |
| CIDR Block | 205.251.192.0/21 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ns-755.awsdns-30.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ns-755.awsdns-30.net |
🔐 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 | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 43% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 19% | 2 | 2 |
| Overall | 22% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-09 18:24:47 UTC |
| Last Seen | 2026-09-22 15:53:35 UTC |
| Profile Built | 2026-09-22 16:04:53 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 31 |
Full dossier details are available via our API.