20046 PLACEWARE - PlaceWare
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS8071 MICROSOFT-CORP---MSN-AS-BLOCK - Microsoft Corp
AS8075 MICROSOFT-CORP---MSN-AS-BLOCK - Microsoft Corp
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 13544 AS20046 ORIGIN Originate: 1536 /21.42 Transit: 0 /0.00 PLACEWARE - PlaceWare
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 % 13060 AS20046 PLACEWARE - PlaceWare 6 0 0 6 0 0.00% Prefix AS Path Aggregation Suggestion 64.41.193.0/24 4637 8075 20046 20046 20046 20046 20046 204.79.179.0/24 4637 4657 8071 20046 204.79.188.0/24 4637 8075 20046 204.176.46.0/24 4637 8075 20046 20046 20046 209.1.15.0/24 4637 8075 20046 20046 20046 20046 20046 216.32.243.0/24 4637 8075 20046
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS20046 11 More Specifics 13 Total Advertisements PLACEWARE - PlaceWare
64.41.193.0/24 64.41.128.0/17
65.55.17.0/24 65.52.0.0/14
65.55.171.0/24 65.52.0.0/14
204.176.46.0/24 204.176.0.0/14
209.1.15.0/24 209.1.0.0/16
216.32.180.0/24 216.32.0.0/14
216.32.181.0/24 216.32.0.0/14
216.32.182.0/24 216.32.0.0/14
216.32.242.0/24 216.32.0.0/14
216.32.243.0/24 216.32.0.0/14
216.34.51.0/24 216.32.0.0/14
whois: 402603
IANA has recorded AS20046 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS20046\n
#
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 20046
ASName: MICROSOFT-BOS
ASHandle: AS20046
RegDate: 2001-03-19
Updated: 2012-03-20
Ref: https://rdap.arin.net/registry/autnum/20046
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.
#