Data as of Nov 10, 2026
Autonomous system

AS45139

Microsoft Corp

Announces 512 addresses in 2 prefixes. None of it is anonymizer space.

Type
Business
SG

Announced prefixes

Arrived
PrefixTypeHolderRPKI
167.220.226.0/23
since Aug 2018
BusinessMicrosoft Singapore Pte. Ltd.
167.220.227.0/24
since May 2024
BusinessMicrosoft Singapore Pte. Ltd.

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it