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Data as of Nov 6, 2026

150.171.0.0/16

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation

Announcement

this exact prefix

RPKI valid

Announced by

Type

Hosting

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
150.171.0.0/24 since Mar 2017	AS8075	Hosting	Microsoft Corporation
150.171.32.0/24 since Jan 2018	AS8068	Hosting	Microsoft Corporation
150.171.44.0/24 since Jan 2018	AS8068	Hosting	Microsoft Corporation
150.171.254.0/24 since Mar 2017	AS8075	Hosting	Microsoft Corporation

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS8075

US

Name: Microsoft Corporation
Type: Hosting
Registered: Mar 31, 1997
Domain: microsoft.com
Website: www.microsoft.com
Industry: Software Development
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
150.171.0.0/16	AS8075	/16	ARIN	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS8075	RADB	MICROSOFT	MAINT-AS8075	Nov 13, 2023

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
150.171.40.0/24	AS8068	RADB	Microsoft Edge	MAINT-AS8075	Nov 13, 2023
150.171.41.0/24	AS8068	RADB	Microsoft Edge	MAINT-AS8075	Nov 13, 2023
150.171.42.0/24	AS8068	RADB	Microsoft Edge	MAINT-AS8075	Nov 13, 2023
150.171.43.0/24	AS8068	RADB	Microsoft Edge	MAINT-AS8075	Nov 13, 2023