LAYER3 INTEL
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Data as of Nov 12, 2026

172.192.0.0/13

No anonymizer space

Microsoft Corporation · space held by Microsoft Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS8075
Type
Hosting

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
172.192.1.0/24AS18747HostingMicrosoft Limited

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
172.128.0.0 - 172.215.255.2555,767,168UK-MICROSOFT-20000324Microsoft Limited (ORG-MA42-RIPE) · GBALLOCATED PAMay 16, 2024abuse@microsoft.com
└ 172.192.0.0/1665,536cloudunknownASSIGNED PASep 5, 2025abuse@microsoft.com
via UK-MICROSOFT-20000324
└ 172.193.0.0/1665,536cloudunknownASSIGNED PASep 5, 2025abuse@microsoft.com
via UK-MICROSOFT-20000324
└ 172.194.0.0/1665,536cloudunknownASSIGNED PASep 5, 2025abuse@microsoft.com
via UK-MICROSOFT-20000324
└ 172.195.0.0/1665,536cloudunknownASSIGNED PASep 5, 2025abuse@microsoft.com
via UK-MICROSOFT-20000324
└ 172.196.0.0/1665,536cloudunknownASSIGNED PASep 5, 2025abuse@microsoft.com
via UK-MICROSOFT-20000324
└ 172.197.0.0/1665,536cloudunknownASSIGNED PASep 5, 2025abuse@microsoft.com
via UK-MICROSOFT-20000324
└ 172.198.0.0/1665,536cloudunknownASSIGNED PASep 5, 2025abuse@microsoft.com
via UK-MICROSOFT-20000324
└ 172.199.0.0/1665,536cloudunknownASSIGNED 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
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
May 2014
Current origin since
Aug 2024 · 2.3 yr
Origin networks
3
Last change of origin
Aug 2024
Recorded history

History

Handoffs
2