99.86.191.39 is an IPv4 address operated by Amazon Web Services (AS16509), with approximate network location Boston, United States. Its reverse DNS name is server-99-86-191-39.bos50.r.cloudfront.net. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZO-CF |
| CIDR Block | 99.86.0.0/16 |
| RIR | ARIN |
| Network registration country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | server-99-86-191-39.bos50.r.cloudfront.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | server-99-86-191-39.bos50.r.cloudfront.net |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP.
DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
No specific classification
🔍 14 signal types · 14 observations collected
This report is generated from 14+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 99.86.191.39
Who owns the IP address 99.86.191.39?
99.86.191.39 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 99.86.191.39 located?
Geolocation data places 99.86.191.39 in Boston, US-MA, United States. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 99.86.191.39 malicious or safe?
99.86.191.39 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 99.86.191.39?
The reverse DNS (PTR) record for 99.86.191.39 is server-99-86-191-39.bos50.r.cloudfront.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.
