Microsoft Corporation
IPv4 IPv6
Networks by country:
United States (691),
United Kingdom (58),
Canada (53),
Ireland (10),
Australia (10),
South Africa (9),
Japan (9),
Spain (9),
France (7),
China (4),
Turkey (4),
India (3),
Israel (3),
Sweden (3),
Norway (3),
Singapore (3),
United Arab Emirates (3),
Austria (2),
Bangladesh (2),
Hong Kong (2),
Denmark (2),
Thailand (1),
Greece (1),
Finland (1),
Sri Lanka (1),
Montenegro (1),
Belgium (1),
Portugal (1),
Mexico (1),
European Union (1),
Guam (1)
Assigned AS: AS35106, AS3598, AS5761, AS6182, AS6194, AS6291, AS6584, AS8069, AS8070, AS8071, AS8072, AS8073, AS8074, AS8075, AS13399, AS13811, AS14719, AS20046, AS23468, AS26222, AS30135, AS30575, AS32476, AS36006, AS40066































Assigned AS: AS35106, AS3598, AS5761, AS6182, AS6194, AS6291, AS6584, AS8069, AS8070, AS8071, AS8072, AS8073, AS8074, AS8075, AS13399, AS13811, AS14719, AS20046, AS23468, AS26222, AS30135, AS30575, AS32476, AS36006, AS40066
Updated: 02 May 2022
We found 837 IPv4 networks operated by this organization.
Showing 50 networks in United Kingdom.
Show all countries >>
Results sorted by network size.
Get the full report >>
CIDR: N/A
IP Range: 51.140.0.0 - 51.145.255.255
Block size: 393,216
All IPs in this network >>
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IP Range: 51.140.0.0 - 51.145.255.255
Block size: 393,216
All IPs in this network >>
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CIDR: 51.8.0.0/14
IP Range: 51.10.0.0 - 51.13.255.255
Block size: 262,144
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IP Range: 51.10.0.0 - 51.13.255.255
Block size: 262,144
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CIDR: N/A
IP Range: 51.103.0.0 - 51.105.255.255
Block size: 196,608
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IP Range: 51.103.0.0 - 51.105.255.255
Block size: 196,608
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CIDR: N/A
IP Range: 51.136.0.0 - 51.138.255.255
Block size: 196,608
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IP Range: 51.136.0.0 - 51.138.255.255
Block size: 196,608
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CIDR: 147.243.0.0/16
IP Range: 147.243.0.0 - 147.243.255.255
Block size: 65,536
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IP Range: 147.243.0.0 - 147.243.255.255
Block size: 65,536
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CIDR: 51.51.0.0/16
IP Range: 51.51.0.0 - 51.51.255.255
Block size: 65,536
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IP Range: 51.51.0.0 - 51.51.255.255
Block size: 65,536
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CIDR: 51.53.0.0/16
IP Range: 51.53.0.0 - 51.53.255.255
Block size: 65,536
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IP Range: 51.53.0.0 - 51.53.255.255
Block size: 65,536
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CIDR: 51.107.0.0/16
IP Range: 51.107.0.0 - 51.107.255.255
Block size: 65,536
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All domains in this network >>
IP Range: 51.107.0.0 - 51.107.255.255
Block size: 65,536
All IPs in this network >>
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CIDR: 51.116.0.0/16
IP Range: 51.116.0.0 - 51.116.255.255
Block size: 65,536
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All domains in this network >>
IP Range: 51.116.0.0 - 51.116.255.255
Block size: 65,536
All IPs in this network >>
All domains in this network >>
CIDR: 51.120.0.0/16
IP Range: 51.120.0.0 - 51.120.255.255
Block size: 65,536
All IPs in this network >>
All domains in this network >>
IP Range: 51.120.0.0 - 51.120.255.255
Block size: 65,536
All IPs in this network >>
All domains in this network >>
CIDR: 51.124.0.0/16
IP Range: 51.124.0.0 - 51.124.255.255
Block size: 65,536
All IPs in this network >>
All domains in this network >>
IP Range: 51.124.0.0 - 51.124.255.255
Block size: 65,536
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CIDR: 51.132.0.0/16
IP Range: 51.132.0.0 - 51.132.255.255
Block size: 65,536
All IPs in this network >>
All domains in this network >>
IP Range: 51.132.0.0 - 51.132.255.255
Block size: 65,536
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All domains in this network >>
CIDR: 213.199.128.0/18
IP Range: 213.199.128.0 - 213.199.191.255
Block size: 16,384
All IPs in this network >>
All domains in this network >>
IP Range: 213.199.128.0 - 213.199.191.255
Block size: 16,384
All IPs in this network >>
All domains in this network >>
CIDR: 94.245.64.0/18
IP Range: 94.245.64.0 - 94.245.127.255
Block size: 16,384
All IPs in this network >>
All domains in this network >>
IP Range: 94.245.64.0 - 94.245.127.255
Block size: 16,384
All IPs in this network >>
All domains in this network >>

MSNUK-NET
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 repor
CIDR: 193.149.64.0/19
IP Range: 193.149.64.0 - 193.149.95.255
Block size: 8,192
All IPs in this network >>
All domains in this network >>
IP Range: 193.149.64.0 - 193.149.95.255
Block size: 8,192
All IPs in this network >>
All domains in this network >>
CIDR: 194.69.96.0/19
IP Range: 194.69.96.0 - 194.69.127.255
Block size: 8,192
All IPs in this network >>
All domains in this network >>
IP Range: 194.69.96.0 - 194.69.127.255
Block size: 8,192
All IPs in this network >>
All domains in this network >>
CIDR: 192.100.96.0/19
IP Range: 192.100.102.0 - 192.100.133.255
Block size: 8,192
All IPs in this network >>
All domains in this network >>
IP Range: 192.100.102.0 - 192.100.133.255
Block size: 8,192
All IPs in this network >>
All domains in this network >>
CIDR: 94.245.64.0/19
IP Range: 94.245.64.0 - 94.245.95.255
Block size: 8,192
All IPs in this network >>
All domains in this network >>
IP Range: 94.245.64.0 - 94.245.95.255
Block size: 8,192
All IPs in this network >>
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CIDR: 194.41.16.0/20
IP Range: 194.41.16.0 - 194.41.31.255
Block size: 4,096
All IPs in this network >>
All domains in this network >>
IP Range: 194.41.16.0 - 194.41.31.255
Block size: 4,096
All IPs in this network >>
All domains in this network >>
CIDR: 167.220.196.0/22
IP Range: 167.220.196.0 - 167.220.199.255
Block size: 1,024
All IPs in this network >>
All domains in this network >>
IP Range: 167.220.196.0 - 167.220.199.255
Block size: 1,024
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CIDR: 193.221.113.0/24
IP Range: 193.221.113.0 - 193.221.113.255
Block size: 256
All IPs in this network >>
All domains in this network >>
IP Range: 193.221.113.0 - 193.221.113.255
Block size: 256
All IPs in this network >>
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CIDR: 194.110.197.0/24
IP Range: 194.110.197.0 - 194.110.197.255
Block size: 256
All IPs in this network >>
All domains in this network >>
IP Range: 194.110.197.0 - 194.110.197.255
Block size: 256
All IPs in this network >>
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CIDR: 213.228.217.0/26
IP Range: 213.228.217.0 - 213.228.217.63
Block size: 64
All IPs in this network >>
All domains in this network >>
IP Range: 213.228.217.0 - 213.228.217.63
Block size: 64
All IPs in this network >>
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CIDR: 194.196.162.64/26
IP Range: 194.196.162.64 - 194.196.162.127
Block size: 64
All IPs in this network >>
All domains in this network >>
IP Range: 194.196.162.64 - 194.196.162.127
Block size: 64
All IPs in this network >>
All domains in this network >>
CIDR: 194.196.162.192/26
IP Range: 194.196.162.192 - 194.196.162.255
Block size: 64
All IPs in this network >>
All domains in this network >>
IP Range: 194.196.162.192 - 194.196.162.255
Block size: 64
All IPs in this network >>
All domains in this network >>
CIDR: 195.75.86.224/27
IP Range: 195.75.86.224 - 195.75.86.255
Block size: 32
All IPs in this network >>
All domains in this network >>
IP Range: 195.75.86.224 - 195.75.86.255
Block size: 32
All IPs in this network >>
All domains in this network >>
CIDR: 193.130.83.224/28
IP Range: 193.130.83.224 - 193.130.83.239
Block size: 16
All IPs in this network >>
All domains in this network >>
IP Range: 193.130.83.224 - 193.130.83.239
Block size: 16
All IPs in this network >>
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CIDR: 195.110.95.32/28
IP Range: 195.110.95.32 - 195.110.95.47
Block size: 16
All IPs in this network >>
All domains in this network >>
IP Range: 195.110.95.32 - 195.110.95.47
Block size: 16
All IPs in this network >>
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CIDR: 213.86.30.48/28
IP Range: 213.86.30.48 - 213.86.30.63
Block size: 16
All IPs in this network >>
All domains in this network >>
IP Range: 213.86.30.48 - 213.86.30.63
Block size: 16
All IPs in this network >>
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CIDR: 62.7.95.224/28
IP Range: 62.7.95.224 - 62.7.95.239
Block size: 16
All IPs in this network >>
All domains in this network >>
IP Range: 62.7.95.224 - 62.7.95.239
Block size: 16
All IPs in this network >>
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CIDR: 81.145.183.208/28
IP Range: 81.145.183.208 - 81.145.183.223
Block size: 16
All IPs in this network >>
All domains in this network >>
IP Range: 81.145.183.208 - 81.145.183.223
Block size: 16
All IPs in this network >>
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CIDR: 81.5.149.232/29
IP Range: 81.5.149.232 - 81.5.149.239
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 81.5.149.232 - 81.5.149.239
Block size: 8
All IPs in this network >>
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CIDR: 81.168.4.88/29
IP Range: 81.168.4.88 - 81.168.4.95
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 81.168.4.88 - 81.168.4.95
Block size: 8
All IPs in this network >>
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CIDR: 217.207.6.136/29
IP Range: 217.207.6.136 - 217.207.6.143
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 217.207.6.136 - 217.207.6.143
Block size: 8
All IPs in this network >>
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CIDR: 85.90.229.88/29
IP Range: 85.90.229.88 - 85.90.229.95
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 85.90.229.88 - 85.90.229.95
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 85.90.255.120/29
IP Range: 85.90.255.120 - 85.90.255.127
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 85.90.255.120 - 85.90.255.127
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 80.69.5.72/29
IP Range: 80.69.5.72 - 80.69.5.79
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 80.69.5.72 - 80.69.5.79
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 85.90.235.72/29
IP Range: 85.90.235.72 - 85.90.235.79
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 85.90.235.72 - 85.90.235.79
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 80.169.12.208/29
IP Range: 80.169.12.208 - 80.169.12.215
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 80.169.12.208 - 80.169.12.215
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 213.86.15.40/29
IP Range: 213.86.15.40 - 213.86.15.47
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 213.86.15.40 - 213.86.15.47
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 80.169.132.224/29
IP Range: 80.169.132.224 - 80.169.132.231
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 80.169.132.224 - 80.169.132.231
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 45.75.195.40/29
IP Range: 45.75.195.40 - 45.75.195.47
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 45.75.195.40 - 45.75.195.47
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 45.75.195.184/29
IP Range: 45.75.195.184 - 45.75.195.191
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 45.75.195.184 - 45.75.195.191
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 195.75.77.104/29
IP Range: 195.75.77.104 - 195.75.77.111
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 195.75.77.104 - 195.75.77.111
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 195.75.77.96/29
IP Range: 195.75.77.96 - 195.75.77.103
Block size: 8
All IPs in this network >>
All domains in this network >>
IP Range: 195.75.77.96 - 195.75.77.103
Block size: 8
All IPs in this network >>
All domains in this network >>
CIDR: 85.90.255.116/30
IP Range: 85.90.255.116 - 85.90.255.119
Block size: 4
All IPs in this network >>
All domains in this network >>
IP Range: 85.90.255.116 - 85.90.255.119
Block size: 4
All IPs in this network >>
All domains in this network >>
CIDR: 85.90.230.60/30
IP Range: 85.90.230.60 - 85.90.230.63
Block size: 4
All IPs in this network >>
All domains in this network >>
IP Range: 85.90.230.60 - 85.90.230.63
Block size: 4
All IPs in this network >>
All domains in this network >>
CIDR: 80.69.16.8/30
IP Range: 80.69.16.8 - 80.69.16.11
Block size: 4
All IPs in this network >>
All domains in this network >>
IP Range: 80.69.16.8 - 80.69.16.11
Block size: 4
All IPs in this network >>
All domains in this network >>
CIDR: 45.75.135.52/30
IP Range: 45.75.135.52 - 45.75.135.55
Block size: 4
All IPs in this network >>
All domains in this network >>
IP Range: 45.75.135.52 - 45.75.135.55
Block size: 4
All IPs in this network >>
All domains in this network >>
CIDR: 45.75.195.176/30
IP Range: 45.75.195.176 - 45.75.195.179
Block size: 4
All IPs in this network >>
All domains in this network >>
IP Range: 45.75.195.176 - 45.75.195.179
Block size: 4
All IPs in this network >>
All domains in this network >>
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