# 104.44.42.3 — IP Intelligence Summary

104.44.42.3 is an IPv4 address operated by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US (AS8075), with approximate network location Boston, United States. It belongs to datacenter or hosting infrastructure with reverse DNS name ae27-0.ier02.lax.ntwk.msn.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/104.44.42.3
- Last updated: 2026-11-13

## Ownership

- Organization: Microsoft Corporation
- Network name: MSFT
- Allocated block: 104.40.0.0/13
- 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: —

## Location

- City: Boston
- Region: US-MA
- 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 (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- ae27-0.ier02.lax.ntwk.msn.net
- Forward-confirmed: no

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- caa: Present / verified (msn.net)
- spf: Unknown / lookup inconclusive (ae27-0.ier02.lax.ntwk.msn.net)
- dmarc: Unknown / lookup inconclusive (_dmarc.ae27-0.ier02.lax.ntwk.msn.net)
- dnssec: Unknown / lookup inconclusive (3.42.44.104.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive (ae27-0.ier02.lax.ntwk.msn.net)

## Nearby addresses

- 104.44.42.101 (https://ipdebrief.com/104.44.42.101)
- 104.44.42.149 (https://ipdebrief.com/104.44.42.149)
- 104.44.42.184 (https://ipdebrief.com/104.44.42.184)
- 104.44.42.199 (https://ipdebrief.com/104.44.42.199)
- 104.44.42.231 (https://ipdebrief.com/104.44.42.231)
- 104.44.42.251 (https://ipdebrief.com/104.44.42.251)

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Source: IPDebrief, "104.44.42.3 IP intelligence", https://ipdebrief.com/104.44.42.3, updated 2026-11-13. Assessments are probabilistic.