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Data as of Nov 5, 2026

74.176.0.0/14

No anonymizer space

Microsoft Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS8075
Type
Hosting

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
74.176.0.0/14262,144MSFTMicrosoft Corporation (MSFT) · USDirect AllocationDec 11, 2019abuse@microsoft.com
└ 74.176.0.0/1665,536BLS-74-176-0-0-1003020948ASM ADSL CBB (C02435452) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.177.0.0/1816,384BLS-74-177-0-0-1003020948MEM ADSL CBB (C02435453) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.177.64.0/1816,384BLS-74-177-64-0-1003020948GSP ADSL CBB (C02435454) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.177.128.0/1816,384BLS-74-177-128-0-1003020948INT ADSL CBB (C02435455) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.177.192.0/1816,384BLS-74-177-192-0-1003020948MSY ADSL CBB (C02435456) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.178.0.0/198,192BLS-74-178-0-0-1003020948CHS ADSL CBB (C02435457) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.178.32.0/198,192BLS-74-178-32-0-1003020948GNV ADSL CBB (C02435458) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.178.96.0/198,192BLS-74-178-96-0-1003020948LFT ADSL CBB (C02435459) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.178.128.0/198,192BLS-74-178-128-0-1003020948SDF ADSL CBB (C02435480) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.178.160.0/198,192BLS-74-178-160-0-1003020948PNS ADSL CBB (C02435481) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.178.192.0/1816,384BLS-74-178-192-0-1003020948JAX ADSL CBB (C02435482) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.179.0.0/1816,384BLS-74-179-0-0-1003020948BNA ADSL CBB (C02435483) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.179.96.0/198,192BLS-74-179-96-0-1003020948GNV ADSL CBB (C02435484) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.179.128.0/198,192BLS-74-179-128-0-1003020948GSP ADSL Eeua (C02435485) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.179.160.0/198,192BLS-74-179-160-0-1003020948SAV ADSL CBB (C02435486) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT
└ 74.179.192.0/1816,384BLS-74-179-192-0-1003020948BNA ADSL CBB (C02435487) · USReassignedMar 3, 2010abuse@microsoft.com
via MSFT

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
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