# 16.15.39.87 — IP Intelligence Summary

16.15.39.87 is an IPv4 address operated by Amazon.com, Inc. (AS16509), geolocated to Portland, United States. As of November 3, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/16.15.39.87
- Last updated: 2026-11-03

## Ownership

- Organization: Amazon.com, Inc.
- Network name: AMAZO-4
- Allocated block: 16.15.0.0/16
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Portland
- Region: OR
- Country: United States
- Time zone: America/Los_Angeles

## 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

## Exposed services

- 80/tcp — http
- 443/tcp — https
- 8080/tcp — http-alt

## Analyst narrative

Intelligence analysis identified IP 16.15.39.87 as a Web Server operating within Amazon Web Services infrastructure (AS16509, AMAZO-4). The address registered to Amazon.com, Inc., located in Portland, OR, with an overall risk score of 25. Open ports 80, 443, and 8080 were detected, and TLS certificate validation confirmed association with the \`*.s3-us-west-2.amazonaws.com\` domain.

Threat indicators remained absent, with no known campaigns or attacker classifications detected. Blacklist counts totaled zero, though one DNSBL listing existed within eight total lists. A threat actor classification of "Suspicious Host" was assigned due to threat indicators present but lacking specific classification. Analysis noted a contradiction between claimed geolocation and RTT physics measurements.

The recommendation was to Monitor the IP due to signal contradictions. No firewall rules were required, but persistent observation was advised to track potential changes in behavior.

## Nearby addresses

- 16.15.39.0 (https://ipdebrief.com/16.15.39.0)
- 16.15.39.30 (https://ipdebrief.com/16.15.39.30)
- 16.15.39.51 (https://ipdebrief.com/16.15.39.51)
- 16.15.39.86 (https://ipdebrief.com/16.15.39.86)
- 16.15.39.104 (https://ipdebrief.com/16.15.39.104)
- 16.15.39.107 (https://ipdebrief.com/16.15.39.107)
- 16.15.39.120 (https://ipdebrief.com/16.15.39.120)
- 16.15.39.127 (https://ipdebrief.com/16.15.39.127)
- 16.15.39.163 (https://ipdebrief.com/16.15.39.163)
- 16.15.39.176 (https://ipdebrief.com/16.15.39.176)
- 16.15.39.192 (https://ipdebrief.com/16.15.39.192)
- 16.15.39.246 (https://ipdebrief.com/16.15.39.246)

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Source: IPDebrief, "16.15.39.87 IP intelligence", https://ipdebrief.com/16.15.39.87, updated 2026-11-03. Assessments are probabilistic.