- Registered on
-
16 Mar 1999 (26 years old)
- Registered to
-
ARIN-MSFT (arin)
- Network status
-
Active, Allocated under ARIN
- Network type
-
Content
- Prefixes Originated
- 3 IPv4, 3 IPv6
Upstreams
-
AS5852 - United States Department of Defense (DoD)
-
AS3477 - National Oceanic and Atmospheric Administration
Locations of Operation
United States
Prefixes Originated
3 IPv4, 3 IPv6
Addresses Originated
9 /24's of IPv4
3 /48's of IPv6
ASHandle: AS12076
OrgID: MSFT
ASName: MICROSOFT
ASNumber: 12076
RegDate: 1999-03-16
Updated: 2015-02-23
Source: ARIN
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
OrgAdminHandle: IPHOS5-ARIN
OrgAdminName: IPHostmaster IPHostmaster
# Email removed, Log into bgp.tools to see whois emails
OrgTechHandle: BEDAR6-ARIN
OrgTechName: Dawn Bedard
# Email removed, Log into bgp.tools to see whois emails
OrgTechHandle: IPHOS5-ARIN
OrgTechName: IPHostmaster IPHostmaster
# Email removed, Log into bgp.tools to see whois emails
OrgTechHandle: MRPD-ARIN
OrgTechName: Microsoft Routing, Peering, and DNS
# Email removed, Log into bgp.tools to see whois emails
OrgTechHandle: SINGH683-ARIN
OrgTechName: Prachi Singh
# Email removed, Log into bgp.tools to see whois emails
OrgAbuseHandle: MAC74-ARIN
OrgAbuseName: Microsoft Abuse Contact
# Email removed, Log into bgp.tools to see whois emails
OrgRoutingHandle: CHATU3-ARIN
OrgRoutingName: Somesh Chaturmohta
# Email removed, Log into bgp.tools to see whois emails
Last Update: 2026-03-13T03:25:45Z UTC
Member of the following AS-SETs