# 40.99.165.66 — IP Intelligence Summary

40.99.165.66 is an IPv4 address operated by Microsoft Corporation (AS8075), geolocated to Cheyenne, United States. As of November 2, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/40.99.165.66
- Last updated: 2026-11-02

## Ownership

- Organization: Microsoft Corporation
- Network name: MSFT
- Allocated block: 40.74.0.0/15
- ASN: AS8075 (https://ipdebrief.com/asn/8075)
- Regional registry: ARIN

## Location

- City: Cheyenne
- Region: Wyoming
- Country: United States
- Time zone: —

## Network classification

- Infrastructure type: —
- 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

## Nearby addresses

- 40.99.165.2 (https://ipdebrief.com/40.99.165.2)
- 40.99.165.18 (https://ipdebrief.com/40.99.165.18)
- 40.99.165.34 (https://ipdebrief.com/40.99.165.34)
- 40.99.165.50 (https://ipdebrief.com/40.99.165.50)
- 40.99.165.82 (https://ipdebrief.com/40.99.165.82)
- 40.99.165.98 (https://ipdebrief.com/40.99.165.98)
- 40.99.165.114 (https://ipdebrief.com/40.99.165.114)
- 40.99.165.130 (https://ipdebrief.com/40.99.165.130)

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Source: IPDebrief, "40.99.165.66 IP intelligence", https://ipdebrief.com/40.99.165.66, updated 2026-11-02. Assessments are probabilistic.