# 3.166.192.120 — IP Intelligence Summary

3.166.192.120 is an IPv4 address operated by Amazon.com, Inc. (AS16509), geolocated to Philadelphia, United States. Its reverse DNS name is server-3-166-192-120.phl51.r.cloudfront.net. As of November 1, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/3.166.192.120
- Last updated: 2026-11-01

## Ownership

- Organization: Amazon.com, Inc.
- Network name: AMAZON-CF
- Allocated block: 3.166.0.0/15
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Philadelphia
- Region: PA
- Country: United States
- Time zone: —

## 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: Low Risk (25/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- server-3-166-192-120.phl51.r.cloudfront.net
- Forward-confirmed: yes

## Exposed services

- 80/tcp — http
- 443/tcp — https

## Analyst narrative

IP address 3.166.192.120 was identified as a Low Risk endpoint with a risk score of 0 located in the United States. The address resolved to Amazon Web Services infrastructure under the cloudfront.net domain, with forward-confirmed reverse DNS validation returning the hostname server-3-166-192-120.phl51.r.cloudfront.net. No threat indicators were present, blacklist count was 0, and the IP was not listed as a known attacker. Analysis recommended allowing traffic, classifying the severity as informational.

## Nearby addresses

- 3.166.192.10 (https://ipdebrief.com/3.166.192.10)
- 3.166.192.29 (https://ipdebrief.com/3.166.192.29)
- 3.166.192.40 (https://ipdebrief.com/3.166.192.40)
- 3.166.192.42 (https://ipdebrief.com/3.166.192.42)
- 3.166.192.104 (https://ipdebrief.com/3.166.192.104)
- 3.166.192.110 (https://ipdebrief.com/3.166.192.110)
- 3.166.192.121 (https://ipdebrief.com/3.166.192.121)

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Source: IPDebrief, "3.166.192.120 IP intelligence", https://ipdebrief.com/3.166.192.120, updated 2026-11-01. Assessments are probabilistic.