# 20.59.128.23 — IP Intelligence Summary

20.59.128.23 is an IPv4 address operated by Microsoft Corporation (AS8075), geolocated to San Francisco, United States. It belongs to datacenter or hosting infrastructure. As of November 3, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/20.59.128.23
- Last updated: 2026-11-03

## Ownership

- Organization: Microsoft Corporation
- Network name: MSFT
- Allocated block: 20.33.0.0/16
- ASN: AS8075 (https://ipdebrief.com/asn/8075)
- Regional registry: ARIN
- Cloud / hosting provider: Microsoft Azure

## Location

- City: San Francisco
- Region: CA
- Country: United States
- Time zone: America/Los_Angeles

## Network classification

- Infrastructure type: CloudCompute
- Datacenter / hosting: yes
- 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

## Analyst narrative

The IP address 20.59.128.23/32 was identified as infrastructure belonging to Microsoft Corporation (ASN 8075) located in San Francisco, CA. The address was hosted on Microsoft Azure cloud compute services and maintained a Low Risk reputation with a risk score of 25. No specific threat indicators were detected, and the IP remained unlisted on known blacklists. Network probing revealed port 80/tcp was open with an nginx server banner. The surrounding 20.59.128.0/24 subnet was classified as mostly_clean with an abuse density of 0.125 and four threat siblings present. Activity was first observed on 2026-10-20, with signals persisting through 2026-11-03. Given the low severity and clean neighborhood classification, the address was categorized for monitoring rather than blocking.

## Nearby addresses

- 20.59.128.0 (https://ipdebrief.com/20.59.128.0)
- 20.59.128.1 (https://ipdebrief.com/20.59.128.1)
- 20.59.128.2 (https://ipdebrief.com/20.59.128.2)
- 20.59.128.3 (https://ipdebrief.com/20.59.128.3)
- 20.59.128.4 (https://ipdebrief.com/20.59.128.4)
- 20.59.128.5 (https://ipdebrief.com/20.59.128.5)
- 20.59.128.6 (https://ipdebrief.com/20.59.128.6)
- 20.59.128.7 (https://ipdebrief.com/20.59.128.7)
- 20.59.128.8 (https://ipdebrief.com/20.59.128.8)
- 20.59.128.9 (https://ipdebrief.com/20.59.128.9)
- 20.59.128.10 (https://ipdebrief.com/20.59.128.10)
- 20.59.128.11 (https://ipdebrief.com/20.59.128.11)

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Source: IPDebrief, "20.59.128.23 IP intelligence", https://ipdebrief.com/20.59.128.23, updated 2026-11-03. Assessments are probabilistic.