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

arin

RegDate

1998-07-10

Updated

2023-11-17

AS3598 Looking Glass
IPv4Prefixes

29

IPv6Prefixes

5

IPv4 NUMs

533,760

IPv6 NUMs(/64)

12,884,901,888

533,760 IPv4 Addresses
CIDR Description IP Num
65.53.0.0/16
ROA Signed and Valid IRR Valid
Microsoft Corporation 65536
131.107.0.0/24
IRR Parent Valid
Microsoft Corporation 256
131.107.0.0/16
ROA Signed and Valid IRR Valid
Microsoft Corporation 65536
157.54.0.0/24
IRR Parent Valid
Microsoft Corporation 256
157.54.0.0/16
ROA Signed and Valid IRR Valid
Microsoft Corporation 65536
157.57.0.0/24
IRR Parent Valid
Microsoft Corporation 256
157.57.0.0/16
ROA Signed and Valid IRR Valid
Microsoft Corporation 65536
157.58.0.0/24
IRR Parent Valid
Microsoft Corporation 256
157.58.0.0/16
ROA Signed and Valid IRR Valid
Microsoft Corporation 65536
157.58.31.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
157.58.192.0/19
ROA Signed and Valid IRR Valid
Microsoft Corporation 8192
157.59.0.0/24
IRR Parent Valid
Microsoft Corporation 256
157.59.0.0/16
ROA Signed and Valid IRR Valid
Microsoft Corporation 65536
157.60.0.0/24
IRR Parent Valid
Microsoft Corporation 256
157.60.0.0/16
ROA Signed and Valid IRR Valid
Microsoft Corporation 65536
167.220.0.0/24
IRR Parent Valid
Microsoft Corporation 256
167.220.0.0/17
ROA Signed and Valid IRR Valid
Microsoft Corporation 32768
167.220.0.0/16
IRR InValid
Microsoft Corporation 65536
167.220.128.0/18
ROA Signed and Valid IRR Valid
Microsoft Corporation 16384
167.220.148.0/22
ROA Signed and Valid IRR Valid
Microsoft Corporation 1024
167.220.152.0/24
IRR Valid
Microsoft Corporation 256
167.220.192.0/19
ROA Signed and Valid 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
ROA Signed and Valid IRR InValid
Microsoft Limited 8192
194.69.100.0/22
IRR Valid
Microsoft Limited 1024
198.105.232.0/22
ROA Signed and Valid IRR Valid
Microsoft Corporation 1024
199.2.137.0/24
IRR Valid
Microsoft Corporation 256
CIDR Description IP NUMs(prefix /64)
2001:4898::/32
ROA Signed and Valid IRR Valid
Microsoft Corporation 4294967296
2404:f801::/32
ROA Signed and Valid IRR Valid
MICROSOFT-APNIC-AS-AP Microsoft Singapore Pte. Ltd. 4294967296
2a01:110::/32
ROA Signed and Valid IRR Valid
UK-MICROSOFT-MSIT 4294967296
2a01:110:8020::/48
ROA Signed and Valid IRR Valid
UK-MICROSOFT-MSIT 65536
2a01:110:8068::/48
ROA Signed and Valid IRR Valid
UK-MICROSOFT-MSIT 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US United States 52,416,256 601,567,264,768 IPv4 IPv4 IPv6 IPv6
AS12849 HOTNET-IL - Hot-Net internet services Ltd., IL Israel 419,840 34,359,738,368 IPv4 IPv4
AS1680 NV-ASN - Cellcom Fixed Line Communication L.P, IL Israel 1,575,680 73,014,444,032 IPv4 IPv4 IPv6 IPv6
AS2686 ATGS-MMD-AS - AT&T Corp., US United States 1,317,376 4,295,098,368 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 30,031,088 77,329,203,200 IPv4 IPv4
IP Address Domain NUMs Domains
65.53.224.160 1 yin.stoican.eu
ASNumber:       3598
ASName:         MICROSOFT-CORP-AS
ASHandle:       AS3598
RegDate:        1994-05-18
Updated:        2013-08-20    
Ref:            https://rdap.arin.net/registry/autnum/3598



OrgName:        Microsoft Corporation
OrgId:          MSFT
Address:        One Microsoft Way
City:           Redmond
StateProv:      WA
PostalCode:     98052
Country:        US
RegDate:        1998-07-10
Updated:        2023-11-17
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: IPHOS5-ARIN
OrgTechName:   IPHostmaster, IPHostmaster 
OrgTechPhone:  +1-425-538-6637 
OrgTechEmail:  iphostmaster@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPHOS5-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: 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: SINGH683-ARIN
OrgTechName:   Singh, Prachi 
OrgTechPhone:  +1-425-707-5601 
OrgTechEmail:  pracsin@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SINGH683-ARIN

OrgRoutingHandle: CHATU3-ARIN
OrgRoutingName:   Chaturmohta, Somesh 
OrgRoutingPhone:  +1-425-882-8080 
OrgRoutingEmail:  someshch@microsoft.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CHATU3-ARIN