Data as of Nov 5, 2026

192.131.254.0/24

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by University of Massachusetts Dartmouth

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
192.131.254.0/24256PHYUniversity of Massachusetts Dartmouth (UMD) · USDirect AllocationNov 1, 1991rpacheco@umassd.edu
└ 192.131.254.0/24256AZURE-SUBNETUniversity of Massachusetts Dartmouth (C10757828) · USReassignedMar 12, 2024rpacheco@umassd.edu
via PHY

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

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