ASN AS8070 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS8070?

AS8070 is listed under Microsoft Corporation.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS8070 Microsoft Corporation | IPGeolocation.io

Microsoft Corporation microsoft.com

US 44 Routes

AS Data

AS8070

AS8070 – Microsoft Corporation

AS Number	8070
AS Name	MICROSOFT-CORP-MSN-AS-BLOCK
Organization	Microsoft Corporation (msft)
Country	US
Website	microsoft.com
Number of IPv4 Routes	30
Number of IPv6 Routes	14
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1997-03-31

ASN Intelligence API for production workflows

Use ASN data for AS8070 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
206.41.48.0/24	AS8070	Microsoft Corporation	Microsoft Corporation	256
97.107.239.0/24	AS8070	Microsoft Corporation	KNIGHT POINT SYSTEMS, LLC	256
131.253.72.0/22	AS8070	Microsoft Corporation	Microsoft Corp	1024
2606:e540:c03::/48	AS8070	Microsoft Corporation	Microsoft Corporation	~1×10²⁴
2001:489a:2000::/35	AS8070	Microsoft Corporation	Microsoft Corporation	~1×10³⁰
2603:1063:2100::/40	AS8070	Microsoft Corporation	Microsoft Corporation	~309×10²⁴
2607:9240:2::/48	AS8070	Microsoft Corporation	Axon Enterprise, Inc	~1×10²⁴
52.126.0.0/15	AS8070	Microsoft Corporation	Microsoft Corporation	131072
165.159.136.0/22	AS8070	Microsoft Corporation	General Dynamics Mission Systems, Inc.	1024
208.68.130.0/24	AS8070	Microsoft Corporation	Pension Benefit Guaranty Corp.	256
2603:1063:7c00::/38	AS8070	Microsoft Corporation	Microsoft Corporation	~1×10²⁷
2001:489a:4000::/35	AS8070	Microsoft Corporation	Microsoft Corporation	~1×10³⁰
152.228.48.0/24	AS8070	Microsoft Corporation	Salesforce, Inc.	256
165.159.188.0/22	AS8070	Microsoft Corporation	General Dynamics Mission Systems, Inc.	1024
152.228.49.0/24	AS8070	Microsoft Corporation	Salesforce, Inc.	256
62.10.0.0/15	AS8070	Microsoft Corporation	Microsoft Corporation	131072
131.253.120.0/22	AS8070	Microsoft Corporation	Microsoft Corp	1024
137.70.158.0/24	AS8070	Microsoft Corporation	Microsoft Corporation	256
170.85.197.0/24	AS8070	Microsoft Corporation	ZSCALER, INC.	256
204.13.120.0/21	AS8070	Microsoft Corporation	Microsoft Corporation	2048
2601:9200:c001::/48	AS8070	Microsoft Corporation	CMS AZURE EAST	~1×10²⁴
2603:1063:300::/40	AS8070	Microsoft Corporation	Microsoft Corporation	~309×10²⁴
199.15.136.0/23	AS8070	Microsoft Corporation	Regional Information Sharing Systems	512
131.253.112.0/21	AS8070	Microsoft Corporation	Microsoft Corp	2048
20.140.0.0/15	AS8070	Microsoft Corporation	Microsoft Corporation	131072
51.54.0.0/15	AS8070	Microsoft Corporation	Microsoft Limited	131072
2607:9240::/48	AS8070	Microsoft Corporation	Axon Enterprise, Inc	~1×10²⁴
208.68.131.0/24	AS8070	Microsoft Corporation	Pension Benefit Guaranty Corp.	256
199.15.138.0/24	AS8070	Microsoft Corporation	Regional Information Sharing Systems	256
20.34.0.0/15	AS8070	Microsoft Corporation	Microsoft Corporation	131072
199.34.97.0/24	AS8070	Microsoft Corporation	Avon Protection Systems, Inc.	256
2601:9200:c004::/48	AS8070	Microsoft Corporation	CMS AZURE EAST	~1×10²⁴
170.85.198.0/24	AS8070	Microsoft Corporation	ZSCALER, INC.	256
165.159.132.0/22	AS8070	Microsoft Corporation	General Dynamics Mission Systems, Inc.	1024
2601:9200:c003::/48	AS8070	Microsoft Corporation	CMS AZURE EAST	~1×10²⁴
131.253.80.0/20	AS8070	Microsoft Corporation	Microsoft Corp	4096
2605:4300:3601::/48	AS8070	Microsoft Corporation	ZSCALER, INC.	~1×10²⁴
64.40.141.0/24	AS8070	Microsoft Corporation	Axon Enterprise, Inc	256
195.134.224.0/19	AS8070	Microsoft Corporation	Microsoft Corporation	8192
2606:e540:c02::/48	AS8070	Microsoft Corporation	Microsoft Corporation	~1×10²⁴
2607:9240:1::/48	AS8070	Microsoft Corporation	Axon Enterprise, Inc	~1×10²⁴
137.70.156.0/24	AS8070	Microsoft Corporation	Microsoft Corporation	256
20.158.0.0/15	AS8070	Microsoft Corporation	Microsoft Corporation	131072
57.16.0.0/14	AS8070	Microsoft Corporation	Microsoft Limited	262144

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       8068 - 8075
ASName:         MICROSOFT-CORP-MSN-AS-BLOCK
ASHandle:       AS8068
RegDate:        1997-03-31
Updated:        2013-09-04
Ref:            https://rdap.arin.net/registry/autnum/8068



OrgName:        Microsoft Corporation
OrgId:          MSFT
Address:        One Microsoft Way
City:           Redmond
StateProv:      WA
PostalCode:     98052
Country:        US
RegDate:        1998-07-10
Updated:        2025-06-10
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


OrgTechHandle: BEDAR6-ARIN
OrgTechName:   Bedard, Dawn 
OrgTechPhone:  +1-425-538-6637 
OrgTechEmail:  dabedard@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BEDAR6-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: SINGH683-ARIN
OrgTechName:   Singh, Prachi 
OrgTechPhone:  +1-425-707-5601 
OrgTechEmail:  pracsin@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SINGH683-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

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: 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


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "8068 - 8075",
    "as_handle" : "AS8068",
    "as_name" : "MICROSOFT-CORP-MSN-AS-BLOCK",
    "tech_contacts" : [ "BEDAR6-ARIN", "CHATU3-ARIN", "SINGH683-ARIN", "IPHOS5-ARIN", "MRPD-ARIN" ],
    "abuse_contacts" : [ "MAC74-ARIN" ],
    "date_created" : "1997-03-31",
    "date_updated" : "2013-09-04",
    "source" : "https://rdap.arin.net/registry/autnum/8068"
  } ],
  "organization" : {
    "handle" : "MSFT",
    "name" : "Microsoft Corporation",
    "address" : [ "One Microsoft Way", "Redmond", "WA", "98052", "US" ],
    "street" : "Microsoft Way",
    "city" : "Redmond",
    "state" : "WA",
    "zip_code" : "98052",
    "country" : [ "US" ],
    "date_created" : "1998-07-10",
    "date_updated" : "2025-06-10",
    "source" : "https://rdap.arin.net/registry/entity/MSFT",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "BEDAR6-ARIN",
    "name" : "Bedard, Dawn",
    "email" : [ "dabedard@microsoft.com" ],
    "phone" : [ "+1-425-538-6637" ],
    "source" : "https://rdap.arin.net/registry/entity/BEDAR6-ARIN"
  }, {
    "handle" : "CHATU3-ARIN",
    "name" : "Chaturmohta, Somesh",
    "email" : [ "someshch@microsoft.com" ],
    "phone" : [ "+1-425-882-8080" ],
    "source" : "https://rdap.arin.net/registry/entity/CHATU3-ARIN"
  }, {
    "handle" : "SINGH683-ARIN",
    "name" : "Singh, Prachi",
    "email" : [ "pracsin@microsoft.com" ],
    "phone" : [ "+1-425-707-5601" ],
    "source" : "https://rdap.arin.net/registry/entity/SINGH683-ARIN"
  }, {
    "handle" : "IPHOS5-ARIN",
    "name" : "IPHostmaster, IPHostmaster",
    "email" : [ "iphostmaster@microsoft.com" ],
    "phone" : [ "+1-425-538-6637" ],
    "source" : "https://rdap.arin.net/registry/entity/IPHOS5-ARIN"
  }, {
    "handle" : "MRPD-ARIN",
    "name" : "Microsoft Routing, Peering, and DNS",
    "email" : [ "IOC@microsoft.com" ],
    "phone" : [ "+1-425-882-8080" ],
    "source" : "https://rdap.arin.net/registry/entity/MRPD-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "MAC74-ARIN",
    "name" : "Microsoft Abuse Contact",
    "email" : [ "abuse@microsoft.com" ],
    "phone" : [ "+1-425-882-8080" ],
    "source" : "https://rdap.arin.net/registry/entity/MAC74-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS8075	Microsoft Corporation	US

Upstreams

AS Number	Description	Country
AS8075	Microsoft Corporation	US

Contacts

Email Contacts

iphostmaster@microsoft.com IOC@microsoft.com someshch@microsoft.com pracsin@microsoft.com dabedard@microsoft.com

Abuse Contacts

abuse@microsoft.com

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