8070 MICROSOFT-CORP-MSN-AS-BLOCK, US
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 425 AS8070 ORIGIN Originate: 1073920 /11.97 Transit: 0 /0.00 MICROSOFT-CORP-MSN-AS-BLOCK, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 15738 AS8070 MICROSOFT-CORP-MSN-AS-BLOCK, US 30 4 2 28 2 6.67% Prefix AS Path Aggregation Suggestion 20.34.0.0/15 49788 8075 8070 20.140.0.0/15 49788 8075 8070 20.158.0.0/15 49788 8075 8070 51.54.0.0/15 49788 8075 8070 52.126.0.0/15 49788 8075 8070 57.16.0.0/14 22652 8075 8070 62.10.0.0/15 49788 8075 8070 64.40.141.0/24 49788 8075 8070 97.107.239.0/24 49788 8075 8070 131.253.72.0/22 49788 8075 8070 131.253.80.0/20 49788 8075 8070 131.253.112.0/21 49788 8075 8070 131.253.120.0/22 49788 8075 8070 137.70.156.0/24 49788 8075 8070 137.70.158.0/24 49788 8075 8070 152.228.48.0/23 49788 8075 8070 + Announce - aggregate of 152.228.48.0/24 (49788 8075 8070) and 152.228.49.0/24 (49788 8075 8070) 152.228.48.0/24 49788 8075 8070 - Withdrawn - aggregated with 152.228.49.0/24 (49788 8075 8070) 152.228.49.0/24 49788 8075 8070 - Withdrawn - aggregated with 152.228.48.0/24 (49788 8075 8070) 165.159.132.0/22 49788 8075 8070 165.159.136.0/22 49788 8075 8070 165.159.188.0/22 49788 8075 8070 170.85.197.0/24 49788 8075 8070 170.85.198.0/24 49788 8075 8070 195.134.224.0/19 49788 8075 8070 199.15.136.0/23 49788 8075 8070 199.15.138.0/24 49788 8075 8070 199.34.97.0/24 49788 8075 8070 204.13.120.0/21 49788 8075 8070 206.41.48.0/24 49788 8075 8070 208.68.130.0/23 49788 8075 8070 + Announce - aggregate of 208.68.130.0/24 (49788 8075 8070) and 208.68.131.0/24 (49788 8075 8070) 208.68.130.0/24 49788 8075 8070 - Withdrawn - aggregated with 208.68.131.0/24 (49788 8075 8070) 208.68.131.0/24 49788 8075 8070 - Withdrawn - aggregated with 208.68.130.0/24 (49788 8075 8070)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS8070 4 More Specifics 10 Total Advertisements MICROSOFT-CORP-MSN-AS-BLOCK, US
131.253.72.0/22 131.253.64.0/18
131.253.80.0/20 131.253.64.0/18
131.253.112.0/21 131.253.64.0/18
131.253.120.0/22 131.253.64.0/18
137.70.156.0/24 137.70.0.0/16
137.70.158.0/24 137.70.0.0/16
165.159.132.0/22 165.159.0.0/16
165.159.136.0/22 165.159.0.0/16
165.159.188.0/22 165.159.0.0/16
194.41.16.0/24 194.41.16.0/20
199.15.136.0/23 199.15.136.0/21
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 137.70.156.0/24 Withdrawn
- 137.70.158.0/24 Withdrawn
- 165.159.132.0/22 Withdrawn
- 165.159.136.0/22 Withdrawn
- 165.159.188.0/22 Withdrawn
- 194.41.16.0/24 Withdrawn
- 199.15.136.0/23 Withdrawn
whois: 402590
IANA has recorded AS8070 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS8070\n
#
# 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/
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# 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.
#