AS Number
AS8068
AS Name
MICROSOFT-CORP-MSN-AS-BLOCK
Org Name
Microsoft Corporation
Country / Region
United States
Registry

arin

RegDate

1998-07-10

Updated

2025-06-10

AS8068 Looking Glass
IPv4Prefixes

40

IPv6Prefixes

33

IPv4 NUMs

10,240

IPv6 NUMs(/64)

2,162,688

CIDR Description IP Num
13.107.3.0/24
IRR Valid
Microsoft Corporation 256
13.107.4.0/24
IRR Valid
Microsoft Corporation 256
13.107.5.0/24
IRR Valid
Microsoft Corporation 256
13.107.6.0/24
IRR Valid
Microsoft Corporation 256
13.107.7.0/24
IRR Valid
Microsoft Corporation 256
13.107.9.0/24
IRR Valid
Microsoft Corporation 256
13.107.12.0/24
IRR Valid
Microsoft Corporation 256
13.107.13.0/24
IRR Valid
Microsoft Corporation 256
13.107.15.0/24
IRR Valid
Microsoft Corporation 256
13.107.16.0/24
IRR Valid
Microsoft Corporation 256
13.107.18.0/24
IRR Valid
Microsoft Corporation 256
13.107.19.0/24
IRR Valid
Microsoft Corporation 256
13.107.21.0/24
IRR Valid
Microsoft Corporation 256
13.107.22.0/24
IRR Valid
Microsoft Corporation 256
13.107.39.0/24
IRR Valid
Microsoft Corporation 256
13.107.40.0/24
IRR Valid
Microsoft Corporation 256
13.107.42.0/24
IRR Valid
Microsoft Corporation 256
13.107.43.0/24
IRR Valid
Microsoft Corporation 256
13.107.48.0/24
IRR Valid
Microsoft Corporation 256
13.107.49.0/24
IRR Valid
Microsoft Corporation 256
13.107.50.0/24
IRR Valid
Microsoft Corporation 256
13.107.51.0/24
IRR Valid
Microsoft Corporation 256
13.107.52.0/24
IRR Valid
Microsoft Corporation 256
13.107.54.0/24
IRR Valid
Microsoft Corporation 256
13.107.56.0/24
IRR Valid
Microsoft Corporation 256
13.107.128.0/24
IRR Valid
Microsoft Corporation 256
13.107.129.0/24
IRR Valid
Microsoft Corporation 256
13.107.137.0/24
IRR Valid
Microsoft Corporation 256
13.107.140.0/24
IRR Valid
Microsoft Corporation 256
13.107.254.0/24
IRR Valid
Microsoft Corporation 256
52.113.194.0/24
IRR Valid
Microsoft Corporation 256
52.113.195.0/24
IRR Valid
Microsoft Corporation 256
52.113.196.0/24
IRR Valid
Microsoft Corporation 256
52.113.197.0/24
IRR Valid
Microsoft Corporation 256
131.253.3.0/24
IRR Valid
Microsoft Corp 256
131.253.21.0/24
IRR Valid
Microsoft Corp 256
131.253.33.0/24
IRR Valid
Microsoft Corp 256
150.171.32.0/24
IRR Valid
Microsoft Corporation 256
150.171.44.0/24
IRR Valid
Microsoft Corporation 256
204.79.197.0/24
IRR Valid
Microsoft Corporation 256
CIDR Description IP NUMs(prefix /64)
2620:1ec:4::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:5::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:6::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:7::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:a::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:b::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:c::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:d::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:12::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:13::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:1d::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:21::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:22::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:23::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:24::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:28::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:34::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:42::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:43::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:44::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:45::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:8f0::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:8f9::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:8fc::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:900::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:909::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:90c::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:a92::/48
IRR Valid
Microsoft Corporation 65536
2620:1ec:c11::/48
IRR Valid
Microsoft Corporation 65536
2a01:111:2003::/48
IRR Valid
Microsoft Limited 65536
2a01:111:202c::/48
IRR Valid
Microsoft Limited 65536
2a01:111:202d::/48
IRR Valid
Microsoft Limited 65536
2a01:111:202e::/48
IRR Valid
Microsoft Limited 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US United States 81,099,776 601,571,196,928 IPv4 IPv4 IPv6 IPv6
ASNumber:       8068
ASName:         MICROSOFT-CORP-MSN-AS-BLOCK
ASHandle:       AS8068
RegDate:        1997-03-31
Updated:        2013-09-04
Ref:            https://rdap.arin.net/registry/autnum/8068

OrgID:          MSFT
OrgName:        Microsoft Corporation
CanAllocate:    
Street:         One Microsoft Way
City:           Redmond
State/Prov:     WA
Country:        US
PostalCode:     98052
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:        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]
RegDate:        1998-07-10
Updated:        2025-06-10
OrgAdminHandle  IPHOS5-ARIN
OrgTechHandle   BEDAR6-ARIN
OrgTechHandle   IPHOS5-ARIN
OrgTechHandle   MRPD-ARIN
OrgTechHandle   SINGH683-ARIN
OrgAbuseHandle  MAC74-ARIN
OrgRoutingHandle CHATU3-ARIN
Source:         ARIN

OrgAdminHandleHandle:  IPHOS5-ARIN
OrgAdminHandleName:    IPHostmaster, IPHostmaster
OrgAdminHandlePhone:   +1-425-538-6637
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/IPHOS5-ARIN

OrgTechHandleHandle:  BEDAR6-ARIN
OrgTechHandleName:    Bedard, Dawn
OrgTechHandlePhone:   +1-425-538-6637
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/BEDAR6-ARIN

OrgTechHandleHandle:  IPHOS5-ARIN
OrgTechHandleName:    IPHostmaster, IPHostmaster
OrgTechHandlePhone:   +1-425-538-6637
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/IPHOS5-ARIN

OrgTechHandleHandle:  MRPD-ARIN
OrgTechHandleName:    Microsoft Routing, Peering, and DNS, 
OrgTechHandlePhone:   +1-425-882-8080
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/MRPD-ARIN

OrgTechHandleHandle:  SINGH683-ARIN
OrgTechHandleName:    Singh, Prachi
OrgTechHandlePhone:   +1-425-707-5601
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/SINGH683-ARIN

OrgAbuseHandleHandle:  MAC74-ARIN
OrgAbuseHandleName:    Microsoft Abuse Contact, 
OrgAbuseHandlePhone:   +1-425-882-8080
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/MAC74-ARIN

OrgRoutingHandleHandle:  CHATU3-ARIN
OrgRoutingHandleName:    Chaturmohta, Somesh
OrgRoutingHandlePhone:   +1-425-882-8080
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/CHATU3-ARIN