# 52.123.170.156 — IP Intelligence Summary

52.123.170.156 is an IPv4 address operated by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US (AS8075), with approximate network location Portland, United States. It belongs to datacenter or hosting infrastructure. As of November 14, 2026, IPDebrief rates it Low Risk (10/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/52.123.170.156
- Last updated: 2026-11-14

## Ownership

- Organization: Microsoft Corporation
- Network name: MSFT
- Allocated block: 52.120.0.0/14
- ASN: AS8075 (https://ipdebrief.com/asn/8075)
- Regional registry: ARIN
- Registered holder: Microsoft Corporation
- Routing operator: MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US
- Network registration country: United States
- Registrant address country: —
- Cloud / hosting provider: Microsoft Azure

## Location

- City: Portland
- Region: OR
- 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 (10/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Hosted domains

- epx-enterpriseproxy-1.d03-011.ic3-calling-enterpriseproxy.01-japanwest-prod.cosmic.office.net

## 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

## TLS observations

- CN=*.flightproxy.teams.microsoft.com, O=Microsoft Corporation, L=Redmond, S=WA, C=US; port unknown; target —; Historical certificate; current certificate unknown; valid until 2027-02-23T04:26:59.0000000+00:00

## Nearby addresses

- 52.123.170.150 (https://ipdebrief.com/52.123.170.150)
- 52.123.170.217 (https://ipdebrief.com/52.123.170.217)
- 52.123.170.226 (https://ipdebrief.com/52.123.170.226)

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Source: IPDebrief, "52.123.170.156 IP intelligence", https://ipdebrief.com/52.123.170.156, updated 2026-11-14. Assessments are probabilistic.