AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
MICROSOFT-CORP-MSN-AS-BLOCK Microsoft Corporation 1 1 256 65,536 United States
256 IPv4 Addresses
CIDR Description IP Num Microsoft Corporation 256
CIDR Description IP NUMs(prefix /64)
2001:4898:8020::/48 Microsoft Corporation 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3598 MICROSOFT-CORP-AS - Microsoft Corporation, US United States 526,336 8,590,000,128 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 39,333,516 128,869,007,360 IPv4 IPv4 IPv6 IPv6
ASNumber:       8068 - 8075
ASHandle:       AS8068
RegDate:        1997-03-31
Updated:        2013-09-04    

OrgName:        Microsoft Corporation
OrgId:          MSFT
Address:        One Microsoft Way
City:           Redmond
StateProv:      WA
PostalCode:     98052
Country:        US
RegDate:        1998-07-09
Updated:        2017-01-28
Comment:        To report suspected security issues specific to traffic emanating from Microsoft online services, including the distribution of malicious content or other illicit or illegal material through a Microsoft online service, please submit reports to:
Comment:        *  
Comment:        For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
Comment:        * [email protected]  
Comment:        To report security vulnerabilities in Microsoft products and services, please contact:
Comment:        * [email protected]  
Comment:        For legal and law enforcement-related requests, please contact:
Comment:        * [email protected]
Comment:        For routing, peering or DNS issues, please 
Comment:        contact:
Comment:        * [email protected]

OrgAbuseHandle: MAC74-ARIN
OrgAbuseName:   Microsoft Abuse Contact
OrgAbusePhone:  +1-425-882-8080 
OrgAbuseEmail:  [email protected]

OrgTechHandle: MRPD-ARIN
OrgTechName:   Microsoft Routing, Peering, and DNS
OrgTechPhone:  +1-425-882-8080 
OrgTechEmail:  [email protected]