Data as of Nov 8, 2026

144.77.161.0/24

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by PIMCO

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium

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
144.77.0.0/1665,536PIMCOPIMCO (PIM-1) · USDirect AllocationNov 20, 1990chuck.hulbert@pimco.com
└ 144.77.161.0/24256AZURE-WEST-1-PRODPIMCO (PIM-1) · USReallocatedMar 29, 2025chuck.hulbert@pimco.com

Network & registry

Registry

Holder

Organization
PIMCO
Handle
PIM-1
Range
144.77.0.0/16
Registration type
Direct Allocation
Record created
Nov 20, 1990
Legacy
yes
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