13.33.85.142
13.33.85.142 is an IPv4 address operated by Amazon.com, Inc. (AS16509), geolocated to Boston, United States. Its reverse DNS name is server-13-33-85-142.bos50.r.cloudfront.net. As of October 19, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.
IP 13.33.85.142 is attributed to Amazon Web Services under AS16509 with PTR hostnames resolving to a CloudFront server. Despite the network identity, the risk assessment assigns a score of 70 and recommends a critical block action due to strong threat evidence and high campaign likelihood. Technical indicators include valid TLS certificates for api.amazonalexa.com and open HTTP and HTTPS ports, although geolocation data contradicts RTT physics measurements. Overall data confidence is classified as very low at 0.225 with a "Live" freshness label.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZO-CF |
| CIDR Block | 13.32.0.0/15 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | server-13-33-85-142.bos50.r.cloudfront.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | server-13-33-85-142.bos50.r.cloudfront.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | api.amazonalexa.comorigin-api.amazonalexa.com |
| Valid From | 2026-06-27T00:00:00+00:00 |
| Valid Until | 2027-01-10T23:59:59+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 | 13.33.80.0/21 |
| Route mapping | Found |
| 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 | 27% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 27% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 19% | 2 | 2 |
| Overall | 21% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-27 17:16:15 UTC |
| Last Seen | 2026-11-07 12:19:42 UTC |
| Profile Built | 2026-10-19 13:56:29 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 34 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 13.33.85.142
Who owns the IP address 13.33.85.142?
13.33.85.142 is registered to Amazon.com, Inc.. The address falls within the 13.32.0.0/15 network block. Registration is held at ARIN.
Where is 13.33.85.142 located?
Geolocation data places 13.33.85.142 in Boston, US-MA, United States. The local time zone is America/New_York. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 13.33.85.142 malicious or safe?
13.33.85.142 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 13.33.85.142?
The reverse DNS (PTR) record for 13.33.85.142 is server-13-33-85-142.bos50.r.cloudfront.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 13.33.85.142?
Responsive ports observed on 13.33.85.142 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.