205.251.195.105
Intelligence Briefing: 205.251.195.105/32
Infrastructure: The IP address was assigned to Amazon Data Services Northern Virginia (ASN 16509, AMAZON-BYOIP) in Ashburn, Virginia. DNS records confirmed the forward hostname ns-873.awsdns-45.net.
Threat Profile: The endpoint maintained a risk score of 25 (Low Risk). No threat indicators, blacklists, or reputation sources were associated with the address. The IP was not flagged as a known attacker, spam source, or Tor exit node.
Network Observations: Open ports were not detected, and the service purpose was classified as "Firewalled / No Services." DNS hygiene scored "Good" with valid SPF and DMARC records. The operator score was classified as "Minimal."
Recommendation: Analysis supported a "Monitor" action with Low severity.
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-873.awsdns-45.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ns-873.awsdns-45.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-14 16:06:36 UTC |
| Last Seen | 2026-09-14 16:06:36 UTC |
| Profile Built | 2026-09-14 16:12:59 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.