AS Number
AS0
AS Name
MICROSOFT-CORP-MSN-AS-BLOCK
Org Name
Microsoft Corporation
Registry

arin

RegDate

1998-07-10

Updated

2022-03-28

AS8070 Looking Glass
IPv4Prefixes

11

IPv6Prefixes

2

IPv4 NUMs

542,976

IPv6 NUMs(/64)

1,073,741,824

542,976 IPv4 Addresses
CIDR Description IP Num
20.34.0.0/15
ROA Signed and Valid IRR Valid
Microsoft Corporation 131072
20.140.0.0/15
ROA Signed and Valid IRR Valid
Microsoft Corporation 131072
20.158.0.0/15
ROA Signed and Valid IRR Valid
Microsoft Corporation 131072
52.126.0.0/15
ROA Signed and Valid IRR Valid
Microsoft Corporation 131072
131.253.72.0/22
ROA Signed and Valid IRR Valid
Microsoft Corp 1024
131.253.80.0/20
ROA Signed and Valid IRR Valid
Microsoft Corp 4096
131.253.112.0/21
ROA Signed and Valid IRR Valid
Microsoft Corp 2048
131.253.120.0/22
ROA Signed and Valid IRR Valid
Microsoft Corp 1024
194.41.16.0/24
ROA Signed and Valid IRR InValid
Microsoft Limited 256
195.134.224.0/19
ROA Signed and Valid IRR Valid
Microsoft Mobile Oy 8192
204.13.120.0/21
ROA Signed and Valid IRR Valid
Microsoft Corporation 2048
CIDR Description IP NUMs(prefix /64)
2001:489a:2000::/35
ROA Signed and Valid IRR Valid
Microsoft Corporation 536870912
2001:489a:4000::/35
ROA Signed and Valid IRR Valid
Microsoft Corporation 536870912
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US United States 48,037,120 558,615,101,440 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
20.34.8.53 52 14-ipv4.clump.dprodmgd150.aa-rt.sharepoint.us
20.34.9.52 1 signout.sharepoint.us
20.34.9.53 72 10-ipv4.clump.dprodmgd150.aa-rt.sharepoint.us
20.34.13.53 4 dlamil-my.dps.mil
20.35.96.248 1 yi.joseulloa.cl
ASNumber:       8068 - 8075
ASName:         MICROSOFT-CORP-MSN-AS-BLOCK
ASHandle:       AS8068
RegDate:        1997-03-31
Updated:        2013-09-04    
Ref:            https://rdap.arin.net/registry/autnum/8068



OrgName:        Microsoft Corporation
OrgId:          MSFT
Address:        One Microsoft Way
City:           Redmond
StateProv:      WA
PostalCode:     98052
Country:        US
RegDate:        1998-07-10
Updated:        2022-03-28
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:        * https://cert.microsoft.com.  
Comment:        
Comment:        For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
Comment:        * abuse@microsoft.com.  
Comment:        
Comment:        To report security vulnerabilities in Microsoft products and services, please contact:
Comment:        * secure@microsoft.com.  
Comment:        
Comment:        For legal and law enforcement-related requests, please contact:
Comment:        * msndcc@microsoft.com
Comment:        
Comment:        For routing, peering or DNS issues, please 
Comment:        contact:
Comment:        * IOC@microsoft.com
Ref:            https://rdap.arin.net/registry/entity/MSFT


OrgAbuseHandle: MAC74-ARIN
OrgAbuseName:   Microsoft Abuse Contact
OrgAbusePhone:  +1-425-882-8080 
OrgAbuseEmail:  abuse@microsoft.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MAC74-ARIN

OrgTechHandle: MRPD-ARIN
OrgTechName:   Microsoft Routing, Peering, and DNS
OrgTechPhone:  +1-425-882-8080 
OrgTechEmail:  IOC@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MRPD-ARIN

OrgTechHandle: IPHOS5-ARIN
OrgTechName:   IPHostmaster, IPHostmaster 
OrgTechPhone:  +1-425-538-6637 
OrgTechEmail:  iphostmaster@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPHOS5-ARIN