# 3.171.38.57 — IP Intelligence Summary

3.171.38.57 is an IPv4 address operated by AMAZON-02 - Amazon.com, Inc., US (AS16509), with approximate network location Ashburn/DC, United States. It belongs to datacenter or hosting infrastructure with reverse DNS name server-3-171-38-57.iad61.r.cloudfront.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/3.171.38.57
- Last updated: 2026-11-13

## Ownership

- Organization: Amazon.com, Inc.
- Network name: AMAZON-CF
- Allocated block: 3.168.0.0/14
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Registered holder: Amazon.com, Inc.
- Routing operator: AMAZON-02 - Amazon.com, Inc., US
- Network registration country: United States
- Registrant address country: —
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Ashburn/DC
- Region: —
- Country: United States
- Time zone: —

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: CloudCompute
- Datacenter / hosting: yes
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

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

## Reverse DNS

- server-3-171-38-57.iad61.r.cloudfront.net
- Forward-confirmed: no

## Exposed services

- 80/tcp — http
- 443/tcp — https

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- caa: Not checked
- spf: Not checked
- dmarc: Not checked
- dnssec: Not checked
- fcrDns: Not checked

## Nearby addresses

- 3.171.38.9 (https://ipdebrief.com/3.171.38.9)
- 3.171.38.54 (https://ipdebrief.com/3.171.38.54)
- 3.171.38.69 (https://ipdebrief.com/3.171.38.69)
- 3.171.38.76 (https://ipdebrief.com/3.171.38.76)
- 3.171.38.91 (https://ipdebrief.com/3.171.38.91)
- 3.171.38.93 (https://ipdebrief.com/3.171.38.93)
- 3.171.38.108 (https://ipdebrief.com/3.171.38.108)

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Source: IPDebrief, "3.171.38.57 IP intelligence", https://ipdebrief.com/3.171.38.57, updated 2026-11-13. Assessments are probabilistic.