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Data as of Nov 6, 2026

172.205.0.0/16

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by Microsoft Limited

Announcement
172.200.0.0/13
RPKI valid
Announced by
AS8075
Type
Hosting

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
172.128.0.0 - 172.215.255.2555,767,168UK-MICROSOFT-20000324Microsoft Limited (ORG-MA42-RIPE) · GBALLOCATED PAMay 16, 2024abuse@microsoft.com
└ 172.205.0.0/1665,536cloudunknownASSIGNED PASep 5, 2025abuse@microsoft.com
via UK-MICROSOFT-20000324

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
Announced by

Covering announcement 172.200.0.0/13

Prefix
172.200.0.0/13
Announced by
AS8075 Microsoft Corporation
Type
Hosting
RPKI
RPKI valid
Netname
UK-MICROSOFT-20000324
Registrant
Microsoft Limited
RIR
RIPE NCC
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