Data as of Nov 12, 2026

57.152.0.0/14

No anonymizer space

Microsoft Corporation · space held by Microsoft Limited

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting

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
└ 57.152.0.0/1665,536cloudunknownLEGACYSep 5, 2025abuse@microsoft.com
via GB-MICROSOFT
└ 57.153.0.0/1665,536cloudunknownLEGACYSep 5, 2025abuse@microsoft.com
via GB-MICROSOFT
└ 57.154.0.0/1665,536cloudunknownLEGACYSep 5, 2025abuse@microsoft.com
via GB-MICROSOFT
└ 57.155.0.0/1665,536cloudunknownLEGACYSep 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

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Dec 2022
Current origin since
Dec 2022 · 3.9 yr
Origin networks
1