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Data as of Nov 7, 2026

57.156.0.0/14

No anonymizer space

Microsoft Corporation · space held by Microsoft Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS8075
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
57.150.0.0 - 57.175.255.2551,703,936GB-MICROSOFTMicrosoft Limited (ORG-MA42-RIPE) · GBLEGACYAug 1, 2022abuse@microsoft.com
└ 57.156.0.0/1665,536cloudunknownLEGACYSep 5, 2025abuse@microsoft.com
via GB-MICROSOFT
└ 57.157.0.0/1665,536cloudunknownLEGACYSep 5, 2025abuse@microsoft.com
via GB-MICROSOFT
└ 57.158.0.0/1665,536cloudunknownLEGACYSep 5, 2025abuse@microsoft.com
via GB-MICROSOFT
└ 57.159.0.0/1665,536cloudunknownLEGACYSep 5, 2025abuse@microsoft.com
via GB-MICROSOFT

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & 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