Data as of Nov 3, 2026

57.41.0.0/16

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
Hosting
Risk
50 / 100 · Medium
Recent change
New origin May 2026
its first announcement on record

Network & registry

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