99.86.191.171
99.86.191.171 is an IPv4 address operated by Amazon.com, Inc. (AS16509), geolocated to Boston, United States. It belongs to datacenter or hosting infrastructure with reverse DNS name server-99-86-191-171.bos50.r.cloudfront.net. As of November 2, 2026, IPDebrief rates it Low Risk (15/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZO-CF |
| CIDR Block | 99.86.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | server-99-86-191-171.bos50.r.cloudfront.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | server-99-86-191-171.bos50.r.cloudfront.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.cloudfront.netcloudfront.net |
| Valid From | 2026-08-25T00:00:00+00:00 |
| Valid Until | 2027-03-10T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 99.86.191.0/24 |
| Route mapping | Found |
| RPKI Status | Valid |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 38% | 2 | 5 |
| routing | 30% | 3 | 4 |
| services | 35% | 2 | 4 |
| ownership | 30% | 3 | 4 |
| reputation | 22% | 1 | 3 |
| geolocation | 33% | 2 | 4 |
| Overall | 31% | 13 | 24 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-21 14:17:37 UTC |
| Last Seen | 2026-11-02 06:39:09 UTC |
| Profile Built | 2026-11-02 06:40:34 UTC |
| Data Freshness | Live |
| Signal Types | 30 |
| Total Observations | 33 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 99.86.191.171
Who owns the IP address 99.86.191.171?
99.86.191.171 is registered to Amazon.com, Inc.. The address falls within the 99.86.0.0/16 network block. Registration is held at ARIN.
Where is 99.86.191.171 located?
Geolocation data places 99.86.191.171 in Boston, US-MA, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 99.86.191.171 malicious or safe?
99.86.191.171 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 99.86.191.171?
The reverse DNS (PTR) record for 99.86.191.171 is server-99-86-191-171.bos50.r.cloudfront.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 99.86.191.171?
Responsive ports observed on 99.86.191.171 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 99.86.191.171 a VPN, proxy, or data center address?
99.86.191.171 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.