AS3598 - MICROSOFT-CORP-AS - Microsoft Corporation, US

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AS Number
AS3598
AS Name
MICROSOFT-CORP-AS
Org Name
Microsoft Corporation
Country / Region
United States
Registry

arin

RegDate

1998-07-10

Updated

2025-06-10

AS3598 Looking Glass
IPv4Prefixes

18

IPv6Prefixes

5

IPv4 NUMs

533,504

IPv6 NUMs(/64)

12,884,901,888

CIDR Description IP Num
65.53.0.0/16
IRR Valid
Microsoft Corporation 65536
131.107.0.0/16
IRR Valid
Microsoft Corporation 65536
157.54.0.0/16
IRR Valid
Microsoft Corporation 65536
157.57.0.0/16
IRR Valid
Microsoft Corporation 65536
157.58.0.0/16
IRR Valid
Microsoft Corporation 65536
157.58.192.0/19
IRR Valid
Microsoft Corporation 8192
157.59.0.0/16
IRR Valid
Microsoft Corporation 65536
157.60.0.0/16
IRR Valid
Microsoft Corporation 65536
167.220.0.0/17
IRR Valid
Microsoft Corporation 32768
167.220.0.0/16
IRR InValid
Microsoft Corporation 65536
167.220.128.0/18
IRR Valid
Microsoft Corporation 16384
167.220.192.0/19
IRR Valid
Microsoft Corporation 8192
167.220.204.0/22
IRR Valid
Microsoft Corporation 1024
167.220.208.0/23
IRR Valid
Microsoft Corporation 512
167.220.224.0/19
IRR InValid
MICROSOFT-APNIC Microsoft Singapore Pte. Ltd. 8192
194.69.96.0/19
IRR InValid
Microsoft Limited 8192
194.69.100.0/22
IRR Valid
Microsoft Limited 1024
198.105.232.0/22
IRR Valid
Microsoft Corporation 1024
CIDR Description IP NUMs(prefix /64)
2001:4898::/32
IRR Valid
Microsoft Corporation 4294967296
2404:f801::/32
IRR Valid
MICROSOFT-APNIC-AS-AP Microsoft Singapore Pte. Ltd. 4294967296
2a01:110::/32
IRR Valid
Microsoft Limited 4294967296
2a01:110:8020::/48
IRR Valid
Microsoft Limited 65536
2a01:110:8068::/48
IRR Valid
Microsoft Limited 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1680 NV-ASN - Cellcom Fixed Line Communication L.P, IL Israel 1,573,120 73,014,444,032 IPv4 IPv4 IPv6 IPv6
AS2686 ATGS-MMD-AS - AT&T Enterprises, LLC, US United States 1,373,952 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US United States 81,099,776 601,571,196,928 IPv4 IPv4 IPv6 IPv6
AS12849 HOTNET-IL - Hot-Net internet services Ltd., IL Israel 419,072 34,359,738,368 IPv4 IPv4

Whois Record

ASNumber 3598

ASNumber
3598
ASName
MICROSOFT-CORP-AS
ASHandle
RegDate
1994-05-18
Updated
2013-08-20
Ref
https://rdap.arin.net/registry/autnum/3598

OrgID MSFT

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:
* https://cert.microsoft.com.
For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
* abuse@microsoft.com.
To report security vulnerabilities in Microsoft products and services, please contact:
* secure@microsoft.com.
For legal and law enforcement-related requests, please contact:
* msndcc@microsoft.com
For routing, peering or DNS issues, please
contact:
* IOC@microsoft.com
RegDate
1998-07-10
Updated
2025-06-10
OrgAdminHandle
IPHOS5-ARIN
OrgTechHandle
BEDAR6-ARIN
IPHOS5-ARIN
MRPD-ARIN
SINGH683-ARIN
OrgAbuseHandle
MAC74-ARIN
Source
ARIN
 
OrgRoutingHandle CHATU3-ARIN

OrgTechHandleHandle BEDAR6-ARIN

OrgTechHandleHandle
BEDAR6-ARIN
OrgTechHandleName
Bedard, Dawn
OrgTechHandlePhone
+1-425-538-6637
OrgTechHandleEmail
dabedard@microsoft.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/BEDAR6-ARIN

OrgTechHandleHandle IPHOS5-ARIN

OrgTechHandleHandle
IPHOS5-ARIN
OrgTechHandleName
IPHostmaster, IPHostmaster
OrgTechHandlePhone
+1-425-538-6637
OrgTechHandleEmail
iphostmaster@microsoft.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/IPHOS5-ARIN

OrgTechHandleHandle MRPD-ARIN

OrgTechHandleHandle
MRPD-ARIN
OrgTechHandleName
Microsoft Routing, Peering, and DNS,
OrgTechHandlePhone
+1-425-882-8080
OrgTechHandleEmail
IOC@microsoft.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/MRPD-ARIN

OrgTechHandleHandle SINGH683-ARIN

OrgTechHandleHandle
SINGH683-ARIN
OrgTechHandleName
Singh, Prachi
OrgTechHandlePhone
+1-425-707-5601
OrgTechHandleEmail
pracsin@microsoft.com
OrgTechHandleRef
https://rdap.arin.net/registry/entity/SINGH683-ARIN

OrgAbuseHandleHandle MAC74-ARIN

OrgAbuseHandleHandle
MAC74-ARIN
OrgAbuseHandleName
Microsoft Abuse Contact,
OrgAbuseHandlePhone
+1-425-882-8080
OrgAbuseHandleEmail
abuse@microsoft.com
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/MAC74-ARIN

OrgRoutingHandleHandle CHATU3-ARIN

OrgRoutingHandleHandle
CHATU3-ARIN
OrgRoutingHandleName
Chaturmohta, Somesh
OrgRoutingHandlePhone
+1-425-882-8080
OrgRoutingHandleEmail
someshch@microsoft.com
OrgRoutingHandleRef
https://rdap.arin.net/registry/entity/CHATU3-ARIN

OrgAdminHandleHandle IPHOS5-ARIN

OrgAdminHandleHandle
IPHOS5-ARIN
OrgAdminHandleName
IPHostmaster, IPHostmaster
OrgAdminHandlePhone
+1-425-538-6637
OrgAdminHandleEmail
iphostmaster@microsoft.com
OrgAdminHandleRef
https://rdap.arin.net/registry/entity/IPHOS5-ARIN
 

ASNumber:       3598
ASName:         MICROSOFT-CORP-AS
ASHandle:       AS3598
RegDate:        1994-05-18
Updated:        2013-08-20
Ref:            https://rdap.arin.net/registry/autnum/3598

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:        * abuse@microsoft.com.
Comment:        To report security vulnerabilities in Microsoft products and services, please contact:
Comment:        * secure@microsoft.com.
Comment:        For legal and law enforcement-related requests, please contact:
Comment:        * msndcc@microsoft.com
Comment:        For routing, peering or DNS issues, please
Comment:        contact:
Comment:        * IOC@microsoft.com
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

OrgTechHandleHandle:  BEDAR6-ARIN
OrgTechHandleName:    Bedard, Dawn
OrgTechHandlePhone:   +1-425-538-6637
OrgTechHandleEmail:   dabedard@microsoft.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/BEDAR6-ARIN

OrgTechHandleHandle:  IPHOS5-ARIN
OrgTechHandleName:    IPHostmaster, IPHostmaster
OrgTechHandlePhone:   +1-425-538-6637
OrgTechHandleEmail:   iphostmaster@microsoft.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/IPHOS5-ARIN

OrgTechHandleHandle:  MRPD-ARIN
OrgTechHandleName:    Microsoft Routing, Peering, and DNS, 
OrgTechHandlePhone:   +1-425-882-8080
OrgTechHandleEmail:   IOC@microsoft.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/MRPD-ARIN

OrgTechHandleHandle:  SINGH683-ARIN
OrgTechHandleName:    Singh, Prachi
OrgTechHandlePhone:   +1-425-707-5601
OrgTechHandleEmail:   pracsin@microsoft.com
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/SINGH683-ARIN

OrgAbuseHandleHandle:  MAC74-ARIN
OrgAbuseHandleName:    Microsoft Abuse Contact, 
OrgAbuseHandlePhone:   +1-425-882-8080
OrgAbuseHandleEmail:   abuse@microsoft.com
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/MAC74-ARIN

OrgRoutingHandleHandle:  CHATU3-ARIN
OrgRoutingHandleName:    Chaturmohta, Somesh
OrgRoutingHandlePhone:   +1-425-882-8080
OrgRoutingHandleEmail:   someshch@microsoft.com
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/CHATU3-ARIN

OrgAdminHandleHandle:  IPHOS5-ARIN
OrgAdminHandleName:    IPHostmaster, IPHostmaster
OrgAdminHandlePhone:   +1-425-538-6637
OrgAdminHandleEmail:   iphostmaster@microsoft.com
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/IPHOS5-ARIN