# 52.102.103.21 — IP Intelligence Summary

52.102.103.21 is an IPv4 address operated by Microsoft Corporation (AS8075), geolocated to Redmond, 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/52.102.103.21
- Last updated: 2026-11-03

## Ownership

- Organization: Microsoft Corporation
- Network name: MSFT
- Allocated block: 52.96.0.0/12
- ASN: AS8075 (https://ipdebrief.com/asn/8075)
- Regional registry: ARIN
- Cloud / hosting provider: Microsoft Azure

## Location

- City: Redmond
- Region: WA
- 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

- 443/tcp — https

## Analyst narrative

Intelligence profile analysis for IP 52.102.103.21 identified the address as Microsoft Corporation (AS8075) cloud infrastructure hosted within Azure. The host presented a single HTTPS service on port 443 with a TLS certificate associated with Outlook.com and Office365 domains.

The address received a risk score of 25, classified as Low Risk. However, signal contradictions were recorded. Geolocation data placed the server in Redmond, Washington, while Round-Trip Time measurements of 42ms contradicted the physical distance of approximately 6,700km. One DNSBL listing was also observed. The immediate subnet (52.102.103.21/24) showed a clean classification with low abuse density, though one threat sibling was identified.

Operational recommendations advised monitoring the address due to conflicting signal data and the presence of threat indicators, despite no confirmed active attack campaigns.

## Nearby addresses

- 52.102.103.3 (https://ipdebrief.com/52.102.103.3)
- 52.102.103.7 (https://ipdebrief.com/52.102.103.7)
- 52.102.103.9 (https://ipdebrief.com/52.102.103.9)
- 52.102.103.10 (https://ipdebrief.com/52.102.103.10)
- 52.102.103.14 (https://ipdebrief.com/52.102.103.14)
- 52.102.103.16 (https://ipdebrief.com/52.102.103.16)
- 52.102.103.19 (https://ipdebrief.com/52.102.103.19)
- 52.102.103.23 (https://ipdebrief.com/52.102.103.23)
- 52.102.103.25 (https://ipdebrief.com/52.102.103.25)
- 52.102.103.30 (https://ipdebrief.com/52.102.103.30)
- 52.102.103.31 (https://ipdebrief.com/52.102.103.31)
- 52.102.103.32 (https://ipdebrief.com/52.102.103.32)

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Source: IPDebrief, "52.102.103.21 IP intelligence", https://ipdebrief.com/52.102.103.21, updated 2026-11-03. Assessments are probabilistic.