AS Number
AS0
AS Name
MICROSOFT-CORP-MSN-AS-BLOCK
Org Name
Microsoft Corporation
Country / Region
United States
Registry

arin

RegDate

1998-07-10

Updated

2024-03-18

AS8070 Looking Glass
IPv4Prefixes

19

IPv6Prefixes

7

IPv4 NUMs

678,400

IPv6 NUMs(/64)

1,174,536,192

678,400 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
62.10.0.0/15
ROA Signed and Valid
Microsoft Limited 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
137.70.156.0/24
IRR Valid
Private Customer (C09759289) 256
137.70.158.0/24
IRR Valid
Private Customer (C09759290) 256
165.159.132.0/22
ROA Signed and Valid IRR Valid
General Dynamics Mission Systems, Inc. 1024
165.159.136.0/22
ROA Signed and Valid IRR Valid
General Dynamics Mission Systems, Inc. 1024
165.159.188.0/22
ROA Signed and Valid IRR Valid
General Dynamics Mission Systems, Inc. 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
199.15.136.0/23
ROA Signed and Valid IRR Valid
Regional Information Sharing Systems (RISS), Office of Information Technology (OIT) 512
199.15.138.0/24
ROA Signed and Valid IRR InValid
Regional Information Sharing Systems (RISS), Office of Information Technology (OIT) 256
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
2603:1063:300::/40
ROA Signed and Valid IRR Valid
Microsoft Corporation 16777216
2603:1063:2100::/40
ROA Signed and Valid IRR Valid
Microsoft Corporation 16777216
2603:1063:7c00::/38
IRR Valid
Microsoft Corporation 67108864
2606:e540:c02::/48
ROA Signed and Valid IRR Valid
Private Customer (C09599098) 65536
2606:e540:c03::/48
IRR Valid
Private Customer (C09599102) 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US United States 54,449,920 601,567,330,304 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
20.34.0.131 1 default-62fb4bed26b1e70001131bae.vymo.facets.cloud
20.34.8.53 156 10-ipv4.clump.dprodmgd150.aa-rt.sharepoint.us
20.34.8.249 1 diag-dprodmgd150.merlin.trafficmanager.net
20.34.9.53 90 181065-ipv4.farm.dprodmgd150.aa-rt.sharepoint.us
20.34.12.53 16 102-ipv4.clump.dprodmgd100.aa-rt.sharepoint-mil.us
20.34.13.53 9 175047-ipv4.farm.dprodmgd100.aa-rt.sharepoint-mil.us
20.35.96.248 1 yi.joseulloa.cl
20.35.192.130 18 autodiscover-s-dod.office365.us
20.35.192.136 8 autodiscover.dlamil.onmicrosoft.com
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:        2024-03-18
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


OrgRoutingHandle: CHATU3-ARIN
OrgRoutingName:   Chaturmohta, Somesh 
OrgRoutingPhone:  +1-425-882-8080 
OrgRoutingEmail:  someshch@microsoft.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CHATU3-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: KIMAV-ARIN
OrgTechName:   Kim, Avery  
OrgTechPhone:  +1-425-882-8080 
OrgTechEmail:  averykim@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KIMAV-ARIN

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: SINGH683-ARIN
OrgTechName:   Singh, Prachi 
OrgTechPhone:  +1-425-707-5601 
OrgTechEmail:  pracsin@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SINGH683-ARIN

OrgTechHandle: BEDAR6-ARIN
OrgTechName:   Bedard, Dawn 
OrgTechPhone:  +1-425-538-6637 
OrgTechEmail:  dabedard@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BEDAR6-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