René's autonomous number (ASN) Lookup Tool

Enter an ASN Number:

MICROSOFT-CORP-MSN-AS-BLOCK (United States)

This AS controls 66205184 IP 4 addresses:

StartEndAddresses
1.186.0.01.186.255.25565536
2.58.103.02.58.103.255256
4.144.0.04.159.255.2551048576
4.160.0.04.175.255.2551048576
4.176.0.04.191.255.2551048576
4.192.0.04.207.255.2551048576
4.208.0.04.223.255.2551048576
4.224.0.04.239.255.2551048576
4.240.0.04.255.255.2551048576
5.23.34.05.23.34.255256
5.102.37.05.102.37.255256
9.141.0.09.141.255.25565536
9.145.0.09.145.255.25565536
9.146.0.09.146.255.25565536
9.160.0.09.160.255.25565536
9.163.0.09.163.255.25565536
9.169.0.09.169.255.25565536
9.205.0.09.205.255.25565536
9.223.0.09.223.255.25565536
9.234.0.09.235.255.255131072
13.64.0.013.95.255.2552097152
13.104.0.013.107.255.255262144
13.107.14.013.107.14.255256
13.254.0.013.254.0.255256
13.254.4.013.254.4.255256
13.254.64.013.254.64.255256
20.0.0.020.31.255.2552097152
20.33.0.020.33.255.25565536
20.36.0.020.39.255.255262144
20.40.0.020.47.255.255524288
20.45.128.020.45.143.2554096
20.48.0.020.63.255.2551048576
20.64.0.020.127.255.2554194304
20.135.0.020.135.255.25565536
20.136.0.020.136.127.25532768
20.143.0.020.143.255.25565536
20.150.0.020.151.255.255131072
20.152.0.020.152.255.25565536
20.153.0.020.153.255.25565536
20.157.0.020.157.255.25565536
20.160.0.020.175.255.2551048576
20.184.0.020.191.255.255524288
20.192.0.020.255.255.2554194304
23.96.0.023.99.255.255262144
23.100.0.023.101.255.255131072
23.102.0.023.102.255.25565536
23.103.64.023.103.127.25516384
23.103.128.023.103.255.25532768
23.103.160.023.103.175.2554096
31.56.106.031.56.106.255256
31.58.221.031.58.221.255256
31.59.230.031.59.230.255256
37.228.121.037.228.121.255256
37.228.126.037.228.126.255256
40.47.0.040.47.255.25565536
40.64.0.040.65.255.255131072
40.66.0.040.66.127.25532768
40.67.0.040.67.255.25565536
40.68.0.040.71.255.255262144
40.74.0.040.75.255.255131072
40.76.0.040.79.255.255262144
40.80.0.040.95.255.2551048576
40.95.86.040.95.87.255512
40.96.0.040.103.255.255524288
40.104.0.040.105.255.255131072
40.104.0.040.107.255.255262144
40.107.18.040.107.19.255512
40.108.128.040.108.255.25532768
40.110.0.040.111.255.255131072
40.112.0.040.119.255.255524288
40.120.0.040.123.255.255262144
40.124.0.040.124.255.25565536
40.125.0.040.125.127.25532768
40.126.0.040.126.63.25516384
40.126.128.040.126.255.25532768
40.127.0.040.127.255.25565536
40.127.0.040.127.31.2558192
40.146.0.040.146.255.25565536
40.148.0.040.148.255.25565536
40.155.0.040.155.255.25565536
40.159.0.040.159.255.25565536
40.169.0.040.169.255.25565536
40.170.0.040.170.255.25565536
40.171.0.040.171.255.25565536
40.212.0.040.212.255.25565536
40.253.0.040.253.255.25565536
45.8.43.045.8.43.255256
45.66.80.045.66.80.255256
45.82.119.045.82.119.255256
45.143.224.045.143.224.255256
45.143.225.045.143.225.255256
45.156.164.045.156.164.255256
45.156.165.045.156.165.255256
45.157.47.045.157.47.255256
46.29.242.046.29.242.255256
48.192.0.048.207.255.2551048576
48.208.0.048.215.255.255524288
48.216.0.048.219.255.255262144
48.220.0.048.221.255.255131072
48.222.0.048.223.255.255131072
50.85.0.050.85.255.25565536
50.117.58.050.117.58.255256
50.117.87.050.117.87.255256
51.1.0.051.1.255.25565536
51.4.0.051.5.255.255131072
51.8.0.051.8.255.25565536
51.10.0.051.11.255.255131072
51.12.0.051.13.255.255131072
51.42.0.051.42.255.25565536
51.51.0.051.51.255.25565536
51.53.0.051.53.255.25565536
51.56.0.051.59.255.255262144
51.103.0.051.103.255.25565536
51.104.0.051.105.255.255131072
51.107.0.051.107.255.25565536
51.109.0.051.109.255.25565536
51.111.0.051.111.255.25565536
51.116.0.051.116.255.25565536
51.120.0.051.120.255.25565536
51.124.0.051.124.255.25565536
51.126.0.051.126.255.25565536
51.132.0.051.132.255.25565536
51.136.0.051.137.255.255131072
51.138.0.051.138.255.25565536
51.140.0.051.143.255.255262144
51.144.0.051.145.255.255131072
52.96.0.052.99.255.255262144
52.96.0.052.111.255.2551048576
52.96.38.052.96.38.255256
52.98.16.052.98.19.2551024
52.112.0.052.115.255.255262144
52.120.0.052.123.255.255262144
52.125.0.052.125.255.25565536
52.136.0.052.143.255.255524288
52.146.0.052.147.255.255131072
52.148.0.052.151.255.255262144
52.152.0.052.159.255.255524288
52.160.0.052.191.255.2552097152
52.224.0.052.255.255.2552097152
52.239.232.052.239.232.255256
57.150.0.057.151.255.255131072
57.152.0.057.155.255.255262144
57.156.0.057.159.255.255262144
57.160.0.057.175.255.2551048576
62.12.56.062.12.56.255256
62.12.57.062.12.57.255256
62.12.58.062.12.58.255256
62.12.59.062.12.59.255256
62.12.60.062.12.60.255256
62.12.61.062.12.61.255256
62.97.228.062.97.228.255256
62.132.26.062.132.27.255512
62.164.204.062.164.205.255512
62.231.53.062.231.53.255256
63.116.158.063.116.158.255256
64.4.0.064.4.63.25516384
64.13.130.064.13.130.255256
64.13.131.064.13.131.255256
64.15.23.064.15.23.255256
64.15.25.064.15.25.255256
64.40.142.064.40.142.255256
64.52.107.064.52.107.255256
64.72.206.064.72.206.255256
64.112.188.064.112.188.255256
64.236.0.064.236.255.25565536
65.52.0.065.55.255.255262144
66.9.47.066.9.47.255256
66.45.92.066.45.92.255256
66.94.52.066.94.52.255256
66.94.53.066.94.53.255256
66.119.144.066.119.159.2554096
66.132.204.066.132.207.2551024
66.178.148.066.178.148.255256
66.178.149.066.178.149.255256
66.235.159.066.235.159.255256
67.210.98.067.210.99.255512
67.210.128.067.210.128.255256
67.210.129.067.210.129.255256
68.154.0.068.155.255.255131072
68.210.0.068.211.255.255131072
68.218.0.068.219.255.255131072
68.220.0.068.221.255.255131072
69.15.0.069.15.255.25565536
69.52.192.069.52.192.255256
69.52.193.069.52.193.255256
69.52.198.069.52.198.255256
69.52.199.069.52.199.255256
69.52.204.069.52.204.255256
69.59.17.069.59.17.255256
69.72.71.069.72.71.255256
69.84.180.069.84.180.255256
69.84.181.069.84.181.255256
69.89.60.069.89.60.255256
69.89.63.069.89.63.255256
70.35.156.070.35.156.255256
70.37.0.070.37.127.25532768
70.37.128.070.37.191.25516384
70.152.0.070.153.255.255131072
70.156.0.070.157.255.255131072
72.16.128.072.16.255.25532768
72.18.78.072.18.78.255256
72.54.0.072.54.255.25565536
72.144.0.072.147.255.255262144
72.152.0.072.155.255.255262144
74.7.0.074.7.255.25565536
74.80.229.074.80.229.255256
74.116.254.074.116.254.255256
74.116.255.074.116.255.255256
74.117.19.074.117.19.255256
74.144.0.074.159.255.2551048576
74.160.0.074.163.255.255262144
74.176.0.074.179.255.255262144
74.200.130.074.200.130.255256
74.224.0.074.227.255.255262144
74.234.0.074.235.255.255131072
74.240.0.074.243.255.255262144
74.248.0.074.249.255.255131072
79.170.98.079.170.98.255256
81.22.128.081.22.128.255256
82.87.0.082.87.255.25565536
82.171.0.082.171.255.25565536
83.218.234.083.218.234.255256
84.81.0.084.81.255.25565536
84.222.0.084.222.255.25565536
84.223.0.084.223.255.25565536
85.210.0.085.211.255.255131072
85.212.0.085.212.255.25565536
86.38.164.086.38.164.255256
86.91.0.086.91.255.25565536
89.28.187.089.28.187.255256
89.213.146.089.213.146.255256
91.203.230.091.203.230.255256
91.216.184.091.216.184.255256
91.234.239.091.234.239.255256
91.242.222.091.242.222.255256
91.244.201.091.244.201.255256
91.245.215.091.245.215.255256
92.112.9.092.112.9.255256
92.118.22.092.118.22.255256
92.118.23.092.118.23.255256
93.174.64.093.174.71.2552048
94.143.105.094.143.105.255256
94.143.106.094.143.106.255256
94.143.107.094.143.107.255256
94.143.108.094.143.108.255256
94.143.109.094.143.109.255256
94.143.110.094.143.110.255256
94.245.64.094.245.127.25516384
98.64.0.098.67.255.255262144
98.70.0.098.71.255.255131072
102.37.0.0102.37.255.25565536
102.37.0.0102.37.127.25532768
102.37.128.0102.37.255.25532768
102.133.0.0102.133.255.25565536
102.133.0.0102.133.127.25532768
102.133.128.0102.133.255.25532768
102.211.187.0102.211.187.255256
102.223.214.0102.223.214.255256
103.8.80.0103.8.80.255256
103.36.129.0103.36.129.255256
103.58.119.0103.58.119.255256
103.61.61.0103.61.61.255256
103.61.62.0103.61.62.255256
103.61.63.0103.61.63.255256
103.103.44.0103.103.45.255512
103.103.46.0103.103.47.255512
103.131.148.0103.131.148.255256
103.131.149.0103.131.149.255256
103.155.245.0103.155.245.255256
103.164.237.0103.164.237.255256
103.204.21.0103.204.21.255256
103.204.22.0103.204.22.255256
103.249.62.0103.249.62.255256
103.249.63.0103.249.63.255256
103.254.7.0103.254.7.255256
104.40.0.0104.47.255.255524288
104.47.19.0104.47.19.255256
104.146.128.0104.146.255.25532768
104.193.12.0104.193.12.255256
104.193.13.0104.193.13.255256
104.193.126.0104.193.126.255256
104.204.254.0104.204.254.255256
104.208.0.0104.215.255.255524288
104.237.40.0104.237.40.255256
108.140.0.0108.143.255.255262144
108.161.110.0108.161.110.255256
109.246.0.0109.246.255.25565536
111.221.16.0111.221.23.2552048
111.221.24.0111.221.27.2551024
111.221.29.0111.221.29.255256
111.221.30.0111.221.31.255512
111.221.64.0111.221.127.25516384
113.197.64.0113.197.64.255256
113.197.65.0113.197.65.255256
113.197.66.0113.197.66.255256
113.197.67.0113.197.67.255256
115.42.47.0115.42.47.255256
117.121.247.0117.121.247.255256
122.149.0.0122.149.255.25565536
124.252.0.0124.252.255.25565536
128.24.0.0128.24.255.25565536
128.36.15.0128.36.15.255256
128.85.0.0128.85.255.25565536
128.94.0.0128.94.255.25565536
128.127.76.0128.127.76.255256
128.127.79.0128.127.79.255256
128.203.0.0128.203.255.25565536
128.251.0.0128.251.255.25565536
129.35.19.0129.35.19.255256
129.135.0.0129.135.255.25565536
130.33.0.0130.33.255.25565536
130.107.0.0130.107.255.25565536
130.115.248.0130.115.251.2551024
130.115.252.0130.115.255.2551024
130.131.0.0130.131.255.25565536
130.213.0.0130.213.255.25565536
131.145.0.0131.145.255.25565536
131.163.0.0131.163.255.25565536
131.189.0.0131.189.255.25565536
131.253.1.0131.253.1.255256
131.253.5.0131.253.5.255256
131.253.6.0131.253.6.255256
131.253.8.0131.253.8.255256
131.253.12.0131.253.15.2551024
131.253.24.0131.253.31.2552048
131.253.32.0131.253.47.2554096
131.253.61.0131.253.61.255256
131.253.62.0131.253.63.255512
131.253.128.0131.253.255.25532768
132.164.0.0132.164.255.25565536
132.196.0.0132.196.255.25565536
132.220.0.0132.220.255.25565536
132.245.0.0132.245.255.25565536
134.33.0.0134.33.255.25565536
134.112.0.0134.112.255.25565536
134.138.0.0134.138.255.25565536
134.149.0.0134.149.255.25565536
134.170.0.0134.170.255.25565536
135.4.0.0135.4.255.25565536
135.6.0.0135.6.255.25565536
135.7.0.0135.7.255.25565536
135.13.0.0135.13.255.25565536
135.18.0.0135.18.255.25565536
135.56.0.0135.56.0.255256
135.56.2.0135.56.2.255256
135.56.4.0135.56.4.255256
135.56.5.0135.56.5.255256
135.56.6.0135.56.6.255256
135.56.8.0135.56.8.255256
135.85.0.0135.85.255.25565536
135.86.0.0135.86.255.25565536
135.88.0.0135.88.255.25565536
135.93.0.0135.93.255.25565536
135.116.0.0135.116.255.25565536
135.119.0.0135.119.255.25565536
135.130.0.0135.130.255.25565536
135.149.0.0135.149.255.25565536
135.171.0.0135.171.255.25565536
135.183.0.0135.183.255.25565536
135.185.0.0135.185.255.25565536
135.220.0.0135.220.255.25565536
135.221.0.0135.221.255.25565536
135.222.0.0135.222.255.25565536
135.224.0.0135.225.255.255131072
135.226.0.0135.226.255.25565536
135.228.0.0135.228.255.25565536
135.229.0.0135.229.255.25565536
135.230.0.0135.230.255.25565536
135.232.0.0135.235.255.255262144
135.236.0.0135.237.255.255131072
135.240.0.0135.240.255.25565536
135.241.0.0135.241.255.25565536
135.244.0.0135.244.255.25565536
135.246.0.0135.246.255.25565536
135.247.0.0135.247.255.25565536
135.254.0.0135.254.255.25565536
135.255.0.0135.255.255.25565536
137.70.152.0137.70.152.255256
137.70.154.0137.70.154.255256
137.116.0.0137.116.255.25565536
137.117.0.0137.117.255.25565536
137.135.0.0137.135.255.25565536
137.162.0.0137.162.255.25565536
138.32.109.0138.32.109.255256
138.32.110.0138.32.110.255256
138.32.111.0138.32.111.255256
138.32.112.0138.32.112.255256
138.32.114.0138.32.114.255256
138.91.0.0138.91.255.25565536
138.105.0.0138.105.255.25565536
138.128.250.0138.128.250.255256
138.128.251.0138.128.251.255256
138.213.0.0138.213.255.25565536
138.239.0.0138.239.255.25565536
139.188.0.0139.188.255.25565536
140.150.226.0140.150.226.255256
140.150.227.0140.150.227.255256
141.59.240.0141.59.247.2552048
141.193.248.0141.193.248.255256
141.206.200.0141.206.200.255256
142.0.188.0142.0.188.255256
142.0.189.0142.0.189.255256
142.55.22.0142.55.22.255256
142.147.54.0142.147.54.255256
142.147.61.0142.147.61.255256
142.225.36.0142.225.37.255512
142.229.194.0142.229.194.255256
142.229.195.0142.229.195.255256
142.249.95.0142.249.95.255256
143.188.148.0143.188.151.2551024
143.188.152.0143.188.155.2551024
143.188.156.0143.188.159.2551024
143.188.160.0143.188.160.255256
143.188.161.0143.188.161.255256
143.209.0.0143.209.255.25565536
143.226.0.0143.226.255.25565536
143.241.0.0143.241.255.25565536
144.77.160.0144.77.160.255256
144.77.161.0144.77.161.255256
144.203.152.0144.203.152.255256
144.203.153.0144.203.153.255256
145.46.160.0145.46.160.255256
145.46.161.0145.46.161.255256
145.46.162.0145.46.162.255256
145.46.163.0145.46.163.255256
145.46.164.0145.46.164.255256
145.69.64.0145.69.67.2551024
145.69.68.0145.69.71.2551024
145.69.72.0145.69.75.2551024
145.69.76.0145.69.79.2551024
145.83.4.0145.83.5.255512
145.83.6.0145.83.7.255512
145.129.0.0145.129.255.25565536
145.130.0.0145.130.255.25565536
145.132.0.0145.133.255.255131072
145.190.0.0145.191.255.255131072
145.219.18.0145.219.19.255512
145.219.20.0145.219.21.255512
145.219.22.0145.219.22.255256
145.219.23.0145.219.23.255256
145.219.24.0145.219.27.2551024
145.219.28.0145.219.31.2551024
145.219.32.0145.219.32.255256
145.219.33.0145.219.33.255256
146.116.249.0146.116.249.255256
146.225.0.0146.225.7.2552048
147.79.26.0147.79.26.255256
147.140.72.0147.140.72.255256
147.140.73.0147.140.73.255256
147.145.0.0147.145.255.25565536
147.160.48.0147.160.48.255256
147.214.0.0147.214.255.25565536
147.243.0.0147.243.255.25565536
148.7.0.0148.7.255.25565536
148.53.0.0148.53.255.25565536
148.59.127.0148.59.127.255256
149.1.0.0149.1.255.25565536
149.175.0.0149.175.255.25565536
149.198.0.0149.198.255.25565536
149.204.0.0149.204.255.25565536
150.171.0.0150.171.255.25565536
150.171.0.0150.171.0.255256
150.171.254.0150.171.254.255256
150.212.0.0150.212.255.25565536
151.129.0.0151.129.255.25565536
151.206.0.0151.206.255.25565536
151.241.36.0151.241.36.255256
151.241.37.0151.241.37.255256
151.242.202.0151.242.202.255256
151.242.203.0151.242.203.255256
151.242.205.0151.242.205.255256
151.243.36.0151.243.36.255256
151.243.47.0151.243.47.255256
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203.17.220.0203.17.221.255512
203.20.128.0203.20.128.255256
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203.28.214.0203.28.214.255256
203.28.215.0203.28.215.255256
203.32.8.0203.32.8.255256
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203.32.11.0203.32.11.255256
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204.14.180.0204.14.183.2551024
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205.135.211.0205.135.211.255256
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206.109.76.0206.109.76.255256
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206.191.224.0206.191.255.2558192
206.203.123.0206.203.123.255256
206.209.107.0206.209.107.255256
206.251.32.0206.251.32.255256
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207.46.0.0207.46.31.2558192
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207.46.48.0207.46.63.2554096
207.46.64.0207.46.127.25516384
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207.68.128.0207.68.191.25516384
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208.74.229.0208.74.229.255256
208.74.231.0208.74.231.255256
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208.80.20.0208.80.20.255256
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209.151.121.0209.151.121.255256
209.199.0.0209.199.255.25565536
209.240.192.0209.240.223.2558192
209.251.248.0209.251.248.255256
212.1.218.0212.1.218.255256
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212.1.223.0212.1.223.255256
212.46.57.0212.46.57.255256
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212.207.0.0212.207.255.25565536
213.54.0.0213.54.255.25565536
213.109.150.0213.109.150.255256
213.156.248.0213.156.248.255256
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213.199.128.0213.199.191.25516384
213.218.36.0213.218.36.255256
213.218.37.0213.218.37.255256
213.218.48.0213.218.51.2551024
216.9.196.0216.9.196.255256
216.32.180.0216.32.183.2551024
216.73.183.0216.73.183.255256
216.83.54.0216.83.55.255512
216.99.143.0216.99.143.255256
216.126.214.0216.126.214.255256
216.183.110.0216.183.110.255256
216.183.111.0216.183.111.255256
216.220.203.0216.220.203.255256
216.220.204.0216.220.204.255256
216.220.208.0216.220.223.2554096
216.238.128.0216.238.128.255256
216.238.135.0216.238.135.255256
216.238.141.0216.238.141.255256
217.11.173.0217.11.173.255256
217.71.189.0217.71.189.255256
217.169.202.0217.169.202.255256
217.176.0.0217.176.255.25565536

Source of data

This data was collected from the five Regional Internet Registries (RIR): AfrinIC, APNIC, ARIN, LACNIC and RIPE.
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List of autonomous systems in United States
log_id = 113337
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Disclaimer: This dataset is provided "as is" for informational purposes only.
No guarantee is made regarding the accuracy, completeness, or timeliness of the data. The provider makes no warranties, either express or implied, and assumes no legal liability or responsibility for any loss or damage resulting from the use, misuse, or reliance on this dataset. Users are responsible for verifying any results obtained from it and for ensuring that their use complies with applicable laws and regulations.