196,608
IPv4 Addresses
3
Network Blocks (/16)
Colorado State University (AS12145) is a network operator registered in 🇺🇸 United States. It announces approximately 196,608 IPv4 addresses across 3 /16 network blocks. The complete list of network ranges is shown below — click any address to view its full geolocation and network report.
📡 IP Address Ranges
3 blocks · 768 /24 networks129.19.0.0129.19.1.0129.19.2.0129.19.3.0129.19.4.0129.19.5.0129.19.6.0129.19.7.0129.19.8.0129.19.9.0129.19.10.0129.19.11.0129.19.12.0129.19.13.0129.19.14.0129.19.15.0129.19.16.0129.19.17.0129.19.18.0129.19.19.0129.19.20.0129.19.21.0129.19.22.0129.19.23.0129.19.24.0129.19.25.0129.19.26.0129.19.27.0129.19.28.0129.19.29.0129.19.30.0129.19.31.0129.19.32.0129.19.33.0129.19.34.0129.19.35.0129.19.36.0129.19.37.0129.19.38.0129.19.39.0129.19.40.0129.19.41.0129.19.42.0129.19.43.0129.19.44.0129.19.45.0129.19.46.0129.19.47.0129.19.48.0129.19.49.0129.19.50.0129.19.51.0129.19.52.0129.19.53.0129.19.54.0129.19.55.0129.19.56.0129.19.57.0129.19.58.0129.19.59.0129.19.60.0129.19.61.0129.19.62.0129.19.63.0129.19.64.0129.19.65.0129.19.66.0129.19.67.0129.19.68.0129.19.69.0129.19.70.0129.19.71.0129.19.72.0129.19.73.0129.19.74.0129.19.75.0129.19.76.0129.19.77.0129.19.78.0129.19.79.0129.19.80.0129.19.81.0129.19.82.0129.19.83.0129.19.84.0129.19.85.0129.19.86.0129.19.87.0129.19.88.0129.19.89.0129.19.90.0129.19.91.0129.19.92.0129.19.93.0129.19.94.0129.19.95.0129.19.96.0129.19.97.0129.19.98.0129.19.99.0129.19.100.0129.19.101.0129.19.102.0129.19.103.0129.19.104.0129.19.105.0129.19.106.0129.19.107.0129.19.108.0129.19.109.0129.19.110.0129.19.111.0129.19.112.0129.19.113.0129.19.114.0129.19.115.0129.19.116.0129.19.117.0129.19.118.0129.19.119.0129.19.120.0129.19.121.0129.19.122.0129.19.123.0129.19.124.0129.19.125.0129.19.126.0129.19.127.0129.19.128.0129.19.129.0129.19.130.0129.19.131.0129.19.132.0129.19.133.0129.19.134.0129.19.135.0129.19.136.0129.19.137.0129.19.138.0129.19.139.0129.19.140.0129.19.141.0129.19.142.0129.19.143.0129.19.144.0129.19.145.0129.19.146.0129.19.147.0129.19.148.0129.19.149.0129.19.150.0129.19.151.0129.19.152.0129.19.153.0129.19.154.0129.19.155.0129.19.156.0129.19.157.0129.19.158.0129.19.159.0129.19.160.0129.19.161.0129.19.162.0129.19.163.0129.19.164.0129.19.165.0129.19.166.0129.19.167.0129.19.168.0129.19.169.0129.19.170.0129.19.171.0129.19.172.0129.19.173.0129.19.174.0129.19.175.0129.19.176.0129.19.177.0129.19.178.0129.19.179.0129.19.180.0129.19.181.0129.19.182.0129.19.183.0129.19.184.0129.19.185.0129.19.186.0129.19.187.0129.19.188.0129.19.189.0129.19.190.0129.19.191.0129.19.192.0129.19.193.0129.19.194.0129.19.195.0129.19.196.0129.19.197.0129.19.198.0129.19.199.0129.19.200.0129.19.201.0129.19.202.0129.19.203.0129.19.204.0129.19.205.0129.19.206.0129.19.207.0129.19.208.0129.19.209.0129.19.210.0129.19.211.0129.19.212.0129.19.213.0129.19.214.0129.19.215.0129.19.216.0129.19.217.0129.19.218.0129.19.219.0129.19.220.0129.19.221.0129.19.222.0129.19.223.0129.19.224.0129.19.225.0129.19.226.0129.19.227.0129.19.228.0129.19.229.0129.19.230.0129.19.231.0129.19.232.0129.19.233.0129.19.234.0129.19.235.0129.19.236.0129.19.237.0129.19.238.0129.19.239.0129.19.240.0129.19.241.0129.19.242.0129.19.243.0129.19.244.0129.19.245.0129.19.246.0129.19.247.0129.19.248.0129.19.249.0129.19.250.0129.19.251.0129.19.252.0129.19.253.0129.19.254.0129.19.255.0129.82.0.0129.82.1.0129.82.2.0129.82.3.0129.82.4.0129.82.5.0129.82.6.0129.82.7.0129.82.8.0129.82.9.0129.82.10.0129.82.11.0129.82.12.0129.82.13.0129.82.14.0129.82.15.0129.82.16.0129.82.17.0129.82.18.0129.82.19.0129.82.20.0129.82.21.0129.82.22.0129.82.23.0129.82.24.0129.82.25.0129.82.26.0129.82.27.0129.82.28.0129.82.29.0129.82.30.0129.82.31.0129.82.32.0129.82.33.0129.82.34.0129.82.35.0129.82.36.0129.82.37.0129.82.38.0129.82.39.0129.82.40.0129.82.41.0129.82.42.0129.82.43.0129.82.44.0129.82.45.0129.82.46.0129.82.47.0129.82.48.0129.82.49.0129.82.50.0129.82.51.0129.82.52.0129.82.53.0129.82.54.0129.82.55.0129.82.56.0129.82.57.0129.82.58.0129.82.59.0129.82.60.0129.82.61.0129.82.62.0129.82.63.0129.82.64.0129.82.65.0129.82.66.0129.82.67.0129.82.68.0129.82.69.0129.82.70.0129.82.71.0129.82.72.0129.82.73.0129.82.74.0129.82.75.0129.82.76.0129.82.77.0129.82.78.0129.82.79.0129.82.80.0129.82.81.0129.82.82.0129.82.83.0129.82.84.0129.82.85.0129.82.86.0129.82.87.0129.82.88.0129.82.89.0129.82.90.0129.82.91.0129.82.92.0129.82.93.0129.82.94.0129.82.95.0129.82.96.0129.82.97.0129.82.98.0129.82.99.0129.82.100.0129.82.101.0129.82.102.0129.82.103.0129.82.104.0129.82.105.0129.82.106.0129.82.107.0129.82.108.0129.82.109.0129.82.110.0129.82.111.0129.82.112.0129.82.113.0129.82.114.0129.82.115.0129.82.116.0129.82.117.0129.82.118.0129.82.119.0129.82.120.0129.82.121.0129.82.122.0129.82.123.0129.82.124.0129.82.125.0129.82.126.0129.82.127.0129.82.128.0129.82.129.0129.82.130.0129.82.131.0129.82.132.0129.82.133.0129.82.134.0129.82.135.0129.82.136.0129.82.137.0129.82.138.0129.82.139.0129.82.140.0129.82.141.0129.82.142.0129.82.143.0129.82.144.0129.82.145.0129.82.146.0129.82.147.0129.82.148.0129.82.149.0129.82.150.0129.82.151.0129.82.152.0129.82.153.0129.82.154.0129.82.155.0129.82.156.0129.82.157.0129.82.158.0129.82.159.0129.82.160.0129.82.161.0129.82.162.0129.82.163.0129.82.164.0129.82.165.0129.82.166.0129.82.167.0129.82.168.0129.82.169.0129.82.170.0129.82.171.0129.82.172.0129.82.173.0129.82.174.0129.82.175.0129.82.176.0129.82.177.0129.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