Extended IP Address Information for 138.91.90.137

Response from whois.arin.net:

NetRange: 138.91.0.0 - 138.91.255.255
CIDR: 138.91.0.0/16
NetName: MICROSOFT
NetHandle: NET-138-91-0-0-1
Parent: NET138 (NET-138-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Microsoft Corp (MSFT-Z)
RegDate: 2011-06-22
Updated: 2021-12-14
Ref: https://rdap.arin.net/registry/ip/138.91.0.0


OrgName: Microsoft Corp
OrgId: MSFT-Z
Address: One Microsoft Way
City: Redmond
StateProv: WA
PostalCode: 98052
Country: US
RegDate: 2011-06-22
Updated: 2025-06-10
Comment: To report suspected security issues specific to
Comment: traffic emanating from Microsoft online services,
Comment: including the distribution of malicious content
Comment: or other illicit or illegal material through a
Comment: Microsoft online service, please submit reports
Comment: to:
Comment: * https://cert.microsoft.com.
Comment:
Comment: For SPAM and other abuse issues, such as Microsoft
Comment: Accounts, please contact:
Comment: * abuse@microsoft.com.
Comment:
Comment: To report security vulnerabilities in Microsoft
Comment: products and services, please contact:
Comment: * secure@microsoft.com.
Comment:
Comment: For legal and law enforcement-related requests,
Comment: 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-Z


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

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

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: 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

Additional for NET-138-0-0-0-0:

NetRange: 138.0.0.0 - 138.255.255.255
CIDR: 138.0.0.0/8
NetName: NET138
NetHandle: NET-138-0-0-0-0
Parent: ()
NetType: Early Registrations, Maintained by ARIN
OriginAS:
Organization: Various Registries (Maintained by ARIN) (VR-ARIN)
RegDate: 1993-05-01
Updated: 2010-06-30
Ref: https://rdap.arin.net/registry/ip/138.0.0.0



OrgName: Various Registries (Maintained by ARIN)
OrgId: VR-ARIN
Address: PO Box 232290
City: Centreville
StateProv: VA
PostalCode: 20120
Country: US
RegDate: 1993-05-01
Updated: 2018-01-08
Comment: Address space was assigned by the InterNIC regardless of
Comment: geographic region. The registrations are now being maintained
Comment: by various registries, and the in-addr.arpa delegations are
Comment: being maintained by ARIN.
Ref: https://rdap.arin.net/registry/entity/VR-ARIN


OrgAbuseHandle: CKN23-ARIN
OrgAbuseName: No, Contact Known
OrgAbusePhone: +1-800-555-1234
OrgAbuseEmail: nobody@example.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CKN23-ARIN

OrgTechHandle: CKN23-ARIN
OrgTechName: No, Contact Known
OrgTechPhone: +1-800-555-1234
OrgTechEmail: nobody@example.com
OrgTechRef: https://rdap.arin.net/registry/entity/CKN23-ARIN