ResearchRouting table, RPKI, IRR & looking glass

AS8069 Microsoft Corporation

AS8069 (MICROSOFT-CORP-MSN-AS-BLOCK) is registered to Microsoft Corporation in US, through ARIN. It originates 759 prefixes in the global routing table.

759
IPv4 prefixes
0
IPv6 prefixes
277,504
IPv4 addresses
99%
RPKI valid

Who holds AS8069

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS8069
Handle
MICROSOFT-CORP-MSN-AS-BLOCK
Organization
Microsoft Corporation
Country
US
Registry
ARIN
ASPA
None published
WHOIS recordARIN
#
# 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

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

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: 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


#
# 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.
#

What AS8069 announces

Prefixes originated by AS8069 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
759
IPv6 prefixes
0
IPv4 addresses
277,504 (1,084 /24s)
RPKI valid
758 99%
RPKI invalid
1
RPKI not found
0
ROAs naming AS8069
897
With an IRR route object
241 31%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (759)
4.213.247.0/2413.104.82.0/2420.33.0.0/2420.33.1.0/2420.33.2.0/2420.33.3.0/2420.33.4.0/2420.33.5.0/2420.33.6.0/2420.33.8.0/2420.33.9.0/2420.33.10.0/2320.33.12.0/2420.33.13.0/2420.33.14.0/2420.33.15.0/2420.33.16.0/2420.33.17.0/2420.33.18.0/2420.33.19.0/2420.33.20.0/2420.33.21.0/2420.33.22.0/2420.33.23.0/2420.33.24.0/2420.33.25.0/2420.33.26.0/2420.33.27.0/2420.33.28.0/2420.33.29.0/2420.33.30.0/2420.33.31.0/2420.33.32.0/2420.33.33.0/2420.33.34.0/2420.33.35.0/2420.33.36.0/2420.33.37.0/2420.33.38.0/2420.33.39.0/2420.33.40.0/2420.33.41.0/2420.33.42.0/2420.33.43.0/2420.33.44.0/2420.33.45.0/2420.33.46.0/2420.33.47.0/2420.33.48.0/2420.33.49.0/2420.33.50.0/2420.33.51.0/2420.33.52.0/2420.33.53.0/2420.33.54.0/2420.33.55.0/2420.33.56.0/2420.33.57.0/2420.33.58.0/2420.33.59.0/2420.33.60.0/2420.33.61.0/2420.33.62.0/2420.33.63.0/2420.33.64.0/2420.33.65.0/2420.33.66.0/2420.33.67.0/2420.33.68.0/2420.33.69.0/2420.33.70.0/2420.33.72.0/2420.33.73.0/2420.33.74.0/2420.33.75.0/2420.33.76.0/2420.33.77.0/2420.33.78.0/2420.33.79.0/2420.33.80.0/2420.33.81.0/2420.33.83.0/2420.33.84.0/2420.33.85.0/2420.33.86.0/2420.33.87.0/2420.33.88.0/2420.33.89.0/2420.33.90.0/2420.33.91.0/2420.33.92.0/2420.33.93.0/2420.33.95.0/2420.33.96.0/2420.33.97.0/2420.33.98.0/2420.33.99.0/2420.33.100.0/2320.33.102.0/2320.33.104.0/2420.33.105.0/2420.33.107.0/2420.33.108.0/2420.33.109.0/2420.33.110.0/2420.33.111.0/2420.33.112.0/2420.33.113.0/2420.33.114.0/2420.33.115.0/2420.33.116.0/2420.33.117.0/2420.33.118.0/2420.33.119.0/2420.33.120.0/2320.33.122.0/2420.33.123.0/2420.33.124.0/2320.33.126.0/2420.33.127.0/24
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20.33.128.0/2420.33.129.0/2420.33.130.0/2420.33.131.0/2420.33.132.0/2420.33.133.0/2420.33.134.0/2420.33.135.0/2420.33.136.0/2420.33.137.0/2420.33.138.0/2420.33.140.0/2420.33.141.0/2420.33.143.0/2420.33.144.0/2420.33.145.0/2420.33.147.0/2420.33.148.0/2420.33.149.0/2420.33.150.0/2420.33.151.0/2420.33.152.0/2420.33.153.0/2420.33.155.0/2420.33.156.0/2420.33.157.0/2420.33.158.0/2420.33.159.0/2420.33.160.0/2420.33.161.0/2420.33.163.0/2420.33.164.0/2420.33.165.0/2420.33.166.0/2420.33.167.0/2420.33.168.0/2420.33.169.0/2420.33.171.0/2420.33.173.0/2420.33.174.0/2420.33.177.0/2420.33.178.0/2420.33.179.0/2420.33.180.0/2420.33.182.0/2420.33.183.0/2420.33.184.0/2420.33.185.0/2420.33.186.0/2420.33.187.0/2420.33.188.0/2420.33.189.0/2420.33.191.0/2420.33.192.0/2420.33.194.0/2420.33.197.0/2420.33.198.0/2420.33.199.0/2420.33.200.0/2420.33.201.0/2420.33.202.0/2420.33.205.0/2420.33.206.0/2420.33.207.0/2420.33.208.0/2420.33.209.0/2420.33.210.0/2420.33.211.0/2420.33.212.0/2420.33.213.0/2420.33.215.0/2420.33.216.0/2420.33.217.0/2420.33.218.0/2420.33.219.0/2420.33.220.0/2420.33.221.0/2420.33.222.0/2320.33.224.0/2320.33.226.0/2320.33.228.0/2320.33.230.0/2420.33.231.0/2420.33.232.0/2420.33.233.0/2420.33.234.0/2420.33.235.0/2420.33.236.0/2420.33.237.0/2420.33.238.0/2420.33.239.0/2420.33.240.0/2420.33.241.0/2420.33.242.0/2420.33.243.0/2420.33.244.0/2420.33.245.0/2420.33.246.0/2420.33.247.0/2420.33.248.0/2420.33.249.0/2420.33.250.0/2420.33.251.0/2420.33.252.0/2420.33.253.0/2420.33.254.0/2420.33.255.0/2420.39.58.0/2320.47.0.0/2420.47.1.0/2420.47.2.0/2420.47.3.0/2420.47.4.0/2420.47.5.0/2420.47.6.0/2420.47.7.0/2420.47.8.0/2420.47.9.0/2420.47.10.0/2420.47.11.0/2420.47.12.0/2420.47.13.0/2420.47.14.0/2420.47.15.0/2420.47.16.0/2320.47.18.0/2320.47.20.0/2320.47.22.0/2320.47.24.0/2320.47.26.0/2420.47.27.0/2420.47.28.0/2420.47.29.0/2420.47.30.0/2420.47.31.0/2420.47.32.0/2420.47.33.0/2420.47.34.0/2420.47.39.0/2420.47.40.0/2420.47.41.0/2420.47.42.0/2420.47.43.0/2420.47.44.0/2420.47.45.0/2420.47.48.0/2420.47.49.0/2420.47.50.0/2420.47.51.0/2420.47.53.0/2420.47.56.0/2420.47.57.0/2420.47.58.0/2320.47.60.0/2320.47.62.0/2320.47.64.0/2420.47.65.0/2420.47.66.0/2420.47.67.0/2420.47.68.0/2420.47.69.0/2420.47.70.0/2420.47.71.0/2420.47.76.0/2320.47.78.0/2320.47.80.0/2320.47.82.0/2320.47.84.0/2320.47.86.0/2420.47.87.0/2420.47.88.0/2420.47.89.0/2420.47.92.0/2420.47.93.0/2420.47.96.0/2320.47.98.0/2420.47.99.0/2420.47.100.0/2420.47.101.0/2420.47.102.0/2420.47.103.0/2420.47.104.0/2420.47.105.0/2420.47.106.0/2420.47.107.0/2420.47.108.0/2320.47.110.0/2420.47.111.0/2420.47.112.0/2420.47.113.0/2420.47.114.0/2420.47.115.0/2420.47.116.0/2420.47.117.0/2420.47.118.0/2420.47.119.0/2420.47.120.0/2320.47.124.0/2320.47.126.0/2320.153.0.0/2420.153.1.0/2420.153.2.0/2420.153.3.0/2420.153.4.0/2420.153.5.0/2420.153.8.0/2420.153.11.0/2420.153.12.0/2420.153.13.0/2420.153.14.0/2420.153.15.0/2420.153.17.0/2420.153.18.0/2420.153.19.0/2420.153.21.0/2420.153.22.0/2420.153.24.0/2420.153.25.0/2420.153.28.0/2420.153.29.0/2420.153.31.0/2420.153.32.0/2420.153.34.0/2420.153.35.0/2420.153.36.0/2420.153.37.0/2420.153.39.0/2420.153.40.0/2420.153.41.0/2420.153.47.0/2420.153.48.0/2420.153.49.0/2420.153.50.0/2420.153.51.0/2420.153.55.0/2420.153.57.0/2420.153.58.0/2420.153.60.0/2420.153.61.0/2420.153.63.0/2420.153.64.0/2420.153.65.0/2420.153.83.0/2420.153.84.0/2320.153.86.0/2420.153.87.0/2420.153.88.0/2420.153.89.0/2420.153.90.0/2420.153.95.0/2420.153.97.0/2420.153.98.0/2420.153.99.0/2420.153.100.0/2420.153.103.0/2420.153.105.0/2420.153.106.0/2420.153.107.0/2420.153.108.0/2420.153.110.0/2420.153.113.0/2420.153.116.0/2420.153.117.0/2420.153.118.0/2420.153.119.0/2420.153.122.0/2420.153.124.0/2420.153.125.0/2420.153.126.0/2420.153.127.0/2420.153.128.0/2320.153.130.0/2420.153.131.0/2420.153.132.0/2420.153.133.0/2420.153.134.0/2420.153.135.0/2420.153.136.0/2420.153.137.0/2420.153.138.0/2420.153.139.0/2420.153.140.0/2420.153.141.0/2420.153.143.0/2420.153.144.0/2420.153.145.0/2420.153.146.0/2420.153.147.0/2420.153.148.0/2420.153.149.0/2420.153.150.0/2420.153.151.0/2420.153.152.0/2420.153.154.0/2420.153.155.0/2420.153.156.0/2420.153.157.0/2420.153.158.0/2420.153.159.0/2420.153.160.0/2220.153.164.0/2420.153.165.0/2420.153.166.0/2320.153.168.0/2120.153.176.0/2220.153.180.0/2420.153.183.0/2420.153.184.0/2220.153.188.0/2320.153.190.0/2420.153.191.0/2420.153.192.0/2420.153.193.0/2420.153.194.0/2320.153.196.0/2220.153.200.0/2320.153.202.0/2320.153.204.0/2320.153.206.0/2320.153.208.0/2220.153.212.0/2320.153.214.0/2420.153.215.0/2420.153.216.0/2220.153.220.0/2320.153.222.0/2320.153.224.0/2320.153.226.0/2420.153.227.0/2420.153.228.0/2220.153.232.0/2420.153.233.0/2420.153.234.0/2320.153.236.0/2220.153.240.0/2320.153.244.0/2220.153.248.0/2320.153.250.0/2420.153.251.0/2420.153.252.0/2220.157.2.0/2420.157.3.0/2420.157.4.0/2420.157.5.0/2420.157.6.0/2320.157.8.0/2220.157.12.0/2220.157.16.0/2420.157.17.0/2420.157.18.0/2420.157.19.0/2420.157.21.0/2420.157.22.0/2420.157.23.0/2420.157.24.0/2420.157.25.0/2420.157.26.0/2420.157.27.0/2420.157.28.0/2420.157.29.0/2420.157.30.0/2420.157.31.0/2420.157.32.0/2420.157.33.0/2420.157.34.0/2320.157.36.0/2320.157.38.0/2420.157.39.0/2420.157.40.0/2420.157.41.0/2420.157.42.0/2420.157.43.0/2420.157.46.0/2420.157.47.0/2420.157.48.0/2320.157.50.0/2320.157.52.0/2420.157.53.0/2420.157.54.0/2420.157.55.0/2420.157.56.0/2420.157.57.0/2420.157.58.0/2420.157.59.0/2420.157.60.0/2420.157.61.0/2420.157.62.0/2320.157.64.0/2120.157.72.0/2420.157.73.0/2420.157.75.0/2420.157.76.0/2220.157.80.0/2220.157.84.0/2420.157.85.0/2420.157.86.0/2420.157.87.0/2420.157.88.0/2420.157.89.0/2420.157.90.0/2420.157.91.0/2420.157.92.0/2420.157.93.0/2420.157.94.0/2420.157.95.0/2420.157.96.0/2420.157.97.0/2420.157.98.0/2420.157.99.0/2420.157.100.0/2420.157.102.0/2420.157.103.0/2420.157.104.0/2420.157.105.0/2420.157.106.0/2420.157.108.0/2420.157.109.0/2420.157.110.0/2420.157.111.0/2420.157.112.0/2420.157.113.0/2420.157.114.0/2420.157.115.0/2420.157.116.0/2420.157.117.0/2420.157.118.0/2420.157.119.0/2420.157.120.0/2420.157.121.0/2420.157.122.0/2420.157.123.0/2420.157.124.0/2420.157.125.0/2420.157.126.0/2420.157.127.0/2420.157.128.0/2420.157.129.0/2420.157.130.0/2420.157.132.0/2420.157.133.0/2420.157.134.0/2420.157.139.0/2420.157.142.0/2420.157.143.0/2420.157.144.0/2420.157.145.0/2420.157.146.0/2420.157.147.0/2420.157.148.0/2420.157.149.0/2420.157.150.0/2420.157.151.0/2420.157.152.0/2420.157.153.0/2420.157.157.0/2420.157.158.0/2420.157.159.0/2420.157.160.0/2420.157.161.0/2420.157.162.0/2420.157.163.0/2420.157.164.0/2420.157.165.0/2420.157.166.0/2420.157.167.0/2420.157.168.0/2420.157.169.0/2420.157.170.0/2420.157.171.0/2420.157.172.0/2420.157.173.0/2420.157.174.0/2420.157.175.0/2420.157.176.0/2420.157.177.0/2420.157.178.0/2420.157.179.0/2420.157.180.0/2420.157.181.0/2420.157.182.0/2420.157.183.0/2420.157.184.0/2420.157.185.0/2420.157.186.0/2420.157.187.0/2420.157.191.0/2420.157.192.0/2420.157.193.0/2420.157.194.0/2420.157.195.0/2420.157.196.0/2420.157.197.0/2420.157.198.0/2420.157.199.0/2420.157.200.0/2420.157.201.0/2420.157.202.0/2420.157.203.0/2420.157.204.0/2420.157.206.0/2420.157.208.0/2420.157.209.0/2420.157.210.0/2320.157.212.0/2420.157.213.0/2420.157.215.0/2420.157.216.0/2420.157.217.0/2420.157.218.0/2420.157.219.0/2420.157.221.0/2420.157.222.0/2420.157.223.0/2420.157.224.0/2420.157.225.0/2420.157.227.0/2420.157.229.0/2420.157.230.0/2420.157.231.0/2420.157.232.0/2420.157.233.0/2420.157.234.0/2420.157.235.0/2420.157.236.0/2420.157.237.0/2420.157.238.0/2420.157.239.0/2420.157.240.0/2420.157.241.0/2420.157.242.0/2420.157.243.0/2420.157.244.0/2420.157.245.0/2420.157.246.0/2420.157.247.0/2420.157.248.0/2420.157.249.0/2420.157.250.0/2420.157.251.0/2420.157.252.0/2420.157.253.0/2420.157.255.0/2440.65.67.0/2440.80.71.0/2440.87.39.0/2452.122.0.0/2452.122.1.0/2452.122.2.0/2352.122.4.0/2352.122.6.0/2452.122.7.0/2452.122.8.0/2252.122.12.0/2252.122.16.0/2252.122.20.0/2252.122.24.0/2252.122.28.0/2252.122.32.0/2252.122.40.0/2252.122.44.0/2252.122.52.0/2252.122.56.0/2152.122.64.0/2152.122.72.0/2152.122.80.0/2152.122.88.0/2152.122.96.0/2152.122.104.0/2152.122.112.0/2152.122.120.0/2152.122.128.0/2152.122.136.0/2152.122.144.0/2252.122.148.0/2252.122.152.0/2152.122.160.0/2252.122.164.0/2252.122.168.0/2152.122.176.0/2252.122.180.0/2252.122.184.0/2152.122.192.0/2252.122.196.0/2252.122.200.0/2252.122.204.0/2252.122.208.0/2252.122.220.0/2252.122.224.0/2252.122.228.0/2252.122.236.0/2252.122.240.0/2252.122.244.0/2452.122.245.0/2452.122.246.0/2352.122.248.0/2252.122.252.0/2452.122.254.0/2452.122.255.0/24145.190.0.0/23145.190.2.0/24145.190.3.0/24145.190.4.0/23145.190.6.0/24145.190.7.0/24145.190.8.0/21145.190.16.0/21145.190.24.0/21145.190.32.0/22145.190.36.0/24145.190.37.0/24145.190.38.0/23145.190.40.0/23145.190.42.0/24145.190.43.0/24145.190.44.0/22145.190.48.0/22145.190.52.0/23145.190.54.0/24145.190.55.0/24145.190.56.0/23145.190.58.0/24145.190.59.0/24145.190.61.0/24145.190.62.0/24145.190.64.0/24145.190.65.0/24145.190.66.0/24145.190.67.0/24145.190.68.0/24145.190.69.0/24145.190.76.0/24145.190.77.0/24145.190.78.0/24145.190.81.0/24145.190.86.0/24145.190.89.0/24145.190.133.0/24145.190.134.0/24145.190.162.0/24

RPKI valid   RPKI invalid   no ROA covers it

Who AS8069 is reached through

The AS just before AS8069 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.