René's autonomous number (ASN) Lookup Tool

Enter an ASN Number:

FASTWEB Fastweb SpA (IT)

This AS controls 3926784 IP 4 addresses:

StartEndAddresses
2.16.17.02.16.17.255256
2.19.179.02.19.179.255256
2.224.0.02.231.255.255524288
2.232.0.02.239.255.255524288
5.1.44.05.1.44.255256
5.152.240.05.152.247.2552048
23.61.204.023.61.204.255256
31.131.240.031.131.247.2552048
37.99.240.037.99.240.255256
37.153.135.037.153.135.255256
37.186.192.037.186.255.25516384
45.82.228.045.82.231.2551024
45.90.124.045.90.124.255256
62.101.64.062.101.95.2558192
62.101.96.062.101.127.2558192
62.101.124.062.101.127.2551024
62.177.0.062.177.15.2554096
62.182.103.062.182.103.255256
64.126.250.064.126.250.255256
78.110.176.078.110.176.255256
78.110.177.078.110.177.255256
80.67.66.080.67.66.255256
81.208.0.081.208.63.25516384
81.208.64.081.208.127.25516384
83.103.0.083.103.63.25516384
83.103.64.083.103.127.25516384
84.53.184.084.53.184.255256
85.18.0.085.18.255.25565536
85.18.0.085.18.127.25532768
85.18.128.085.18.255.25532768
85.118.144.085.118.145.255512
89.39.200.089.39.200.255256
89.43.192.089.43.192.255256
89.96.0.089.96.255.25565536
89.97.0.089.97.255.25565536
91.225.244.091.225.247.2551024
92.223.128.092.223.255.25532768
92.242.172.092.242.175.2551024
93.32.0.093.33.255.255131072
93.33.0.093.33.255.25565536
93.34.0.093.35.255.255131072
93.36.0.093.37.255.255131072
93.38.0.093.39.255.255131072
93.39.0.093.39.255.25565536
93.40.0.093.41.255.255131072
93.41.0.093.41.255.25565536
93.42.0.093.42.255.25565536
93.43.0.093.43.255.25565536
93.44.0.093.45.255.255131072
93.46.0.093.47.255.255131072
93.37.0.093.37.127.25532768
93.37.128.093.37.255.25532768
93.40.128.093.40.191.25516384
93.40.192.093.40.255.25516384
93.48.0.093.55.255.255524288
93.56.0.093.59.255.255262144
93.60.0.093.61.255.255131072
93.62.0.093.63.255.255131072
151.0.128.0151.0.255.25532768
158.255.240.0158.255.247.2552048
176.122.196.0176.122.197.255512
176.122.198.0176.122.198.255256
185.7.112.0185.7.115.2551024
185.22.84.0185.22.84.255256
185.22.85.0185.22.85.255256
185.27.72.0185.27.72.255256
185.27.73.0185.27.73.255256
185.36.72.0185.36.75.2551024
185.43.19.0185.43.19.255256
185.69.188.0185.69.191.2551024
185.87.68.0185.87.71.2551024
185.135.114.0185.135.115.255512
185.139.48.0185.139.48.255256
185.139.49.0185.139.49.255256
185.145.103.0185.145.103.255256
185.146.134.0185.146.134.255256
185.162.179.0185.162.179.255256
185.169.184.0185.169.184.255256
185.169.185.0185.169.185.255256
185.169.186.0185.169.186.255256
185.169.187.0185.169.187.255256
185.190.214.0185.190.214.255256
185.190.215.0185.190.215.255256
185.219.180.0185.219.183.2551024
185.219.232.0185.219.232.255256
185.219.234.0185.219.234.255256
185.223.153.0185.223.153.255256
188.215.94.0188.215.94.255256
193.3.50.0193.3.50.255256
193.27.28.0193.27.31.2551024
193.35.4.0193.35.7.2551024
193.42.234.0193.42.234.255256
193.42.238.0193.42.238.255256
193.43.16.0193.43.16.255256
193.43.17.0193.43.17.255256
193.169.20.0193.169.20.255256
193.193.0.0193.193.31.2558192
194.5.146.0194.5.146.255256
194.59.208.0194.59.211.2551024
194.63.146.0194.63.146.255256
194.99.35.0194.99.35.255256
213.140.0.0213.140.15.2554096
213.140.16.0213.140.31.2554096
213.156.32.0213.156.47.2554096
213.156.48.0213.156.63.2554096

Source of data

This data was collected from the five Regional Internet Registries (RIR): AfrinIC, APNIC, ARIN, LACNIC and RIPE.
Check your user agent's IP address.
List of autonomous systems in IT
log_id = 126156
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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.