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Data as of Nov 7, 2026

160.79.152.0/22

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by Umass Memorial health care inc

Announcement
this exact prefix
RPKI valid
Announced by
AS8075
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Oct 22, 2026
its first announcement on record

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
160.79.128.0/1816,384UMHCUmass Memorial health care inc (UMHC) · USDirect AllocationMar 30, 2022Networkservices@umassmemorial.org
└ 160.79.152.0/221,024AZURE-NET-160-79-152-0-22Umass Memorial health care inc (C11725414) · USReassignedOct 1, 2026Networkservices@umassmemorial.org
via UMHC

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Umass Memorial health care inc
Handle
UMHC
Range
160.79.128.0/18
Registration type
Direct Allocation
Record created
Mar 30, 2022
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