# 13.33.85.142 — IP Intelligence Summary

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.

- Canonical page: https://ipdebrief.com/13.33.85.142
- Last updated: 2026-10-19

## Ownership

- Organization: Amazon.com, Inc.
- Network name: AMAZO-CF
- Allocated block: 13.32.0.0/15
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Boston
- Region: US-MA
- Country: United States
- Time zone: America/New_York

## Network classification

- Infrastructure type: Unknown
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: High Risk (70/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- server-13-33-85-142.bos50.r.cloudfront.net
- Forward-confirmed: yes

## Exposed services

- 80/tcp — http
- 443/tcp — https

## Analyst narrative

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.

## Nearby addresses

- 13.33.85.155 (https://ipdebrief.com/13.33.85.155)

## Addresses sharing infrastructure

- 3.170.13.80 — Same TLS certificate (https://ipdebrief.com/3.170.13.80)
- 3.171.124.102 — Same TLS certificate (https://ipdebrief.com/3.171.124.102)
- 13.33.1.186 — Same TLS certificate (https://ipdebrief.com/13.33.1.186)
- 13.33.103.198 — Same TLS certificate (https://ipdebrief.com/13.33.103.198)
- 18.161.33.164 — Same TLS certificate (https://ipdebrief.com/18.161.33.164)
- 52.85.90.56 — Same TLS certificate (https://ipdebrief.com/52.85.90.56)
- 99.84.165.187 — Same TLS certificate (https://ipdebrief.com/99.84.165.187)
- 99.86.87.148 — Same TLS certificate (https://ipdebrief.com/99.86.87.148)
- 99.86.229.149 — Same TLS certificate (https://ipdebrief.com/99.86.229.149)
- 108.139.45.116 — Same TLS certificate (https://ipdebrief.com/108.139.45.116)

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Source: IPDebrief, "13.33.85.142 IP intelligence", https://ipdebrief.com/13.33.85.142, updated 2026-10-19. Assessments are probabilistic.