Data as of Nov 12, 2026

151.206.0.0/16

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by Microsoft Limited

Announcement
this exact prefix
RPKI valid
Announced by
Type
Corporate gateway
Risk
20 / 100 · Low

Operators, sellers and brokers

Corporate gateways

NameParentIn 151.206.0.0/16/24s
Microsoft Global Secure AccessMicrosoft
65,536100%
256

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
151.206.0.0/1665,536UK-MICROSOFT-19910925Microsoft Limited (ORG-MA42-RIPE) · GBALLOCATED PASep 1, 2022abuse@microsoft.com
└ 151.206.0.0/1732,768cloudunknownASSIGNED PASep 5, 2025abuse@microsoft.com
via UK-MICROSOFT-19910925
└ 151.206.128.0/1732,768cloudunknownASSIGNED PASep 5, 2025abuse@microsoft.com
via UK-MICROSOFT-19910925

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
Reactivated
First seen
Apr 2018
Current origin since
Dec 2022 · 3.9 yr
Origin networks
2
Last change of origin
Dec 2022
Recorded history

History

Handoffs
1