AS Number
AS0
AS Name
MICROSOFT-CORP-MSN-AS-BLOCK
Org Name
Microsoft Corporation
Registry

arin

RegDate

1998-07-10

Updated

2022-03-28

AS8069 Looking Glass
IPv4Prefixes

243

IPv6Prefixes

0

IPv4 NUMs

76,032

IPv6 NUMs(/64)

0

76,032 IPv4 Addresses
CIDR Description IP Num
20.47.0.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.1.0/24
IRR Valid
Microsoft Corporation 256
20.47.2.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.3.0/24
IRR Valid
Microsoft Corporation 256
20.47.4.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.5.0/24
IRR Valid
Microsoft Corporation 256
20.47.6.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.7.0/24
IRR Valid
Microsoft Corporation 256
20.47.8.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.9.0/24
IRR Valid
Microsoft Corporation 256
20.47.10.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.11.0/24
IRR Valid
Microsoft Corporation 256
20.47.12.0/24
IRR Valid
Microsoft Corporation 256
20.47.13.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.14.0/24
IRR Valid
Microsoft Corporation 256
20.47.15.0/24
IRR Valid
Microsoft Corporation 256
20.47.16.0/23
IRR Parent Valid
Microsoft Corporation 512
20.47.18.0/23
IRR Parent Valid
Microsoft Corporation 512
20.47.20.0/23
IRR Valid
Microsoft Corporation 512
20.47.22.0/23
IRR Valid
Microsoft Corporation 512
20.47.24.0/23
IRR Parent Valid
Microsoft Corporation 512
20.47.26.0/24
IRR Valid
Microsoft Corporation 256
20.47.27.0/24
IRR Valid
Microsoft Corporation 256
20.47.28.0/24
IRR Valid
Microsoft Corporation 256
20.47.29.0/24
IRR Valid
Microsoft Corporation 256
20.47.30.0/24
IRR Valid
Microsoft Corporation 256
20.47.31.0/24
IRR Valid
Microsoft Corporation 256
20.47.32.0/24
IRR Valid
Microsoft Corporation 256
20.47.33.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.34.0/24
IRR Valid
Microsoft Corporation 256
20.47.37.0/24
IRR Valid
Microsoft Corporation 256
20.47.38.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.39.0/24
IRR Valid
Microsoft Corporation 256
20.47.40.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.42.0/24
IRR Valid
Microsoft Corporation 256
20.47.43.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.44.0/24
IRR Valid
Microsoft Corporation 256
20.47.45.0/24
IRR Valid
Microsoft Corporation 256
20.47.48.0/24
IRR Valid
Microsoft Corporation 256
20.47.50.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.51.0/24
IRR Valid
Microsoft Corporation 256
20.47.53.0/24
IRR Valid
Microsoft Corporation 256
20.47.54.0/24
IRR Valid
Microsoft Corporation 256
20.47.55.0/24
IRR Valid
Microsoft Corporation 256
20.47.56.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.57.0/24
IRR Valid
Microsoft Corporation 256
20.47.58.0/23
IRR Valid
Microsoft Corporation 512
20.47.60.0/23
IRR Valid
Microsoft Corporation 512
20.47.62.0/23
IRR Valid
Microsoft Corporation 512
20.47.64.0/24
IRR Valid
Microsoft Corporation 256
20.47.65.0/24
IRR Valid
Microsoft Corporation 256
20.47.66.0/24
IRR Valid
Microsoft Corporation 256
20.47.67.0/24
IRR Valid
Microsoft Corporation 256
20.47.68.0/24
IRR Valid
Microsoft Corporation 256
20.47.69.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.70.0/24
IRR Valid
Microsoft Corporation 256
20.47.71.0/24
IRR Valid
Microsoft Corporation 256
20.47.74.0/23
IRR Valid
Microsoft Corporation 512
20.47.76.0/23
IRR Parent Valid
Microsoft Corporation 512
20.47.78.0/23
IRR Valid
Microsoft Corporation 512
20.47.80.0/23
IRR Valid
Microsoft Corporation 512
20.47.82.0/23
IRR Valid
Microsoft Corporation 512
20.47.84.0/23
IRR Valid
Microsoft Corporation 512
20.47.86.0/24
IRR Valid
Microsoft Corporation 256
20.47.87.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.89.0/24
IRR Valid
Microsoft Corporation 256
20.47.92.0/24
IRR Valid
Microsoft Corporation 256
20.47.93.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.94.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.95.0/24
IRR Valid
Microsoft Corporation 256
20.47.96.0/23
ROA Signed and Valid IRR InValid
Microsoft Corporation 512
20.47.98.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.99.0/24
IRR Valid
Microsoft Corporation 256
20.47.100.0/24
IRR Valid
Microsoft Corporation 256
20.47.101.0/24
IRR Valid
Microsoft Corporation 256
20.47.102.0/24
IRR Valid
Microsoft Corporation 256
20.47.103.0/24
IRR Valid
Microsoft Corporation 256
20.47.104.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.105.0/24
IRR Valid
Microsoft Corporation 256
20.47.106.0/24
IRR Valid
Microsoft Corporation 256
20.47.107.0/24
IRR Valid
Microsoft Corporation 256
20.47.108.0/23
IRR Parent Valid
Microsoft Corporation 512
20.47.110.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.111.0/24
IRR Valid
Microsoft Corporation 256
20.47.112.0/24
IRR Valid
Microsoft Corporation 256
20.47.113.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.114.0/24
IRR Valid
Microsoft Corporation 256
20.47.115.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.116.0/24
IRR Valid
Microsoft Corporation 256
20.47.117.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.118.0/24
IRR Valid
Microsoft Corporation 256
20.47.119.0/24
IRR Parent Valid
Microsoft Corporation 256
20.47.120.0/23
IRR Parent Valid
Microsoft Corporation 512
20.47.122.0/23
IRR Valid
Microsoft Corporation 512
20.47.124.0/23
IRR Parent Valid
Microsoft Corporation 512
20.47.126.0/23
IRR Valid
Microsoft Corporation 512
20.157.2.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.6.0/23
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 512
20.157.12.0/22
IRR Valid
Microsoft Corporation 1024
20.157.16.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.17.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.18.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.19.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.20.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.21.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.22.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.23.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.24.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.25.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.26.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.27.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.28.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.29.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.30.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.31.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.32.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.33.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.34.0/23
IRR Valid
Microsoft Corporation 512
20.157.36.0/23
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 512
20.157.38.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.39.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.41.0/24
IRR Valid
Microsoft Corporation 256
20.157.42.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.43.0/24
IRR Valid
Microsoft Corporation 256
20.157.44.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.45.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.47.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.48.0/23
IRR Parent Valid
Microsoft Corporation 512
20.157.50.0/23
ROA Signed and Valid IRR Valid
Microsoft Corporation 512
20.157.52.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.53.0/24
IRR Valid
Microsoft Corporation 256
20.157.54.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.55.0/24
IRR Valid
Microsoft Corporation 256
20.157.57.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.58.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.59.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.60.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.61.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.62.0/23
IRR Parent Valid
Microsoft Corporation 512
20.157.64.0/21
IRR Parent Valid
Microsoft Corporation 2048
20.157.72.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.73.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.74.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.75.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.76.0/22
IRR Parent Valid
Microsoft Corporation 1024
20.157.80.0/22
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 1024
20.157.84.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.85.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.86.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.87.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.88.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.89.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.90.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.91.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.92.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.93.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.94.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.95.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.96.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.97.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.98.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.99.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.100.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.102.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.103.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.104.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.105.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.106.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.107.0/24
IRR Valid
Microsoft Corporation 256
20.157.108.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.109.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.110.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.111.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.112.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.113.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.114.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.115.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.116.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.117.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.118.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.119.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.120.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.121.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.122.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.123.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.124.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.125.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.126.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.127.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.128.0/24
IRR Valid
Microsoft Corporation 256
20.157.129.0/24
IRR Valid
Microsoft Corporation 256
20.157.130.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.132.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.134.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.139.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.141.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.142.0/24
IRR Valid
Microsoft Corporation 256
20.157.143.0/24
IRR Valid
Microsoft Corporation 256
20.157.144.0/24
IRR Valid
Microsoft Corporation 256
20.157.146.0/24
IRR Valid
Microsoft Corporation 256
20.157.147.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.152.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.153.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.155.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.157.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.158.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.159.0/24
ROA Signed and Valid IRR Valid
Microsoft Corporation 256
20.157.160.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.163.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.164.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.166.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.167.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.170.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.171.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.172.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.179.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.180.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.198.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.201.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.202.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.209.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.210.0/23
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 512
20.157.212.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.213.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.214.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.215.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.216.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.217.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.218.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.219.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.220.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.221.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
20.157.222.0/24
IRR Parent Valid
Microsoft Corporation 256
20.157.223.0/24
ROA Signed and Valid IRR Parent Valid
Microsoft Corporation 256
52.122.0.0/24
IRR InValid
Microsoft Corporation 256
52.122.1.0/24
IRR InValid
Microsoft Corporation 256
52.122.2.0/23
IRR InValid
Microsoft Corporation 512
52.122.4.0/23
IRR InValid
Microsoft Corporation 512
52.122.6.0/24
IRR InValid
Microsoft Corporation 256
52.122.7.0/24
ROA Signed and Valid IRR InValid
Microsoft Corporation 256
52.122.8.0/22
IRR InValid
Microsoft Corporation 1024
52.122.12.0/22
IRR InValid
Microsoft Corporation 1024
52.122.16.0/22
IRR InValid
Microsoft Corporation 1024
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS286 KPN - KPN B.V., NL Netherlands 0 210,453,987,328 IPv4 IPv4
AS1299 TWELVE99 - Telia Company AB, SE Sweden 250,624 17,635,136,569,344 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 27,247,616 228,846,075,904 IPv4 IPv4
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 6,857,728 21,743,796,224 IPv4 IPv4
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 3,609,352 210,454,118,400 IPv4 IPv4
AS3491 BTN-ASN - PCCW Global, Inc., US United States 1,007,616 13,958,840,320 IPv4 IPv4
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 585,472 55,834,640,384 IPv4 IPv4
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US United States 48,036,864 558,615,101,440 IPv4 IPv4
AS12956 TELXIUS - TELEFONICA GLOBAL SOLUTIONS SL, ES Spain 171,008 12,885,032,960 IPv4 IPv4
IP Address Domain NUMs Domains
20.47.1.200 1 nsgpublic.blob.core.windows.net
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:        2022-03-28
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: IPHOS5-ARIN
OrgTechName:   IPHostmaster, IPHostmaster 
OrgTechPhone:  +1-425-538-6637 
OrgTechEmail:  iphostmaster@microsoft.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPHOS5-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

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