131,072
IPv4 Addresses
2
Network Blocks (/16)
Johns Hopkins University (AS5723) is a network operator registered in 🇺🇸 United States. It announces approximately 131,072 IPv4 addresses across 2 /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
2 blocks · 512 /24 networks128.220.0.0128.220.1.0128.220.2.0128.220.3.0128.220.4.0128.220.5.0128.220.6.0128.220.7.0128.220.8.0128.220.9.0128.220.10.0128.220.11.0128.220.12.0128.220.13.0128.220.14.0128.220.15.0128.220.16.0128.220.17.0128.220.18.0128.220.19.0128.220.20.0128.220.21.0128.220.22.0128.220.23.0128.220.24.0128.220.25.0128.220.26.0128.220.27.0128.220.28.0128.220.29.0128.220.30.0128.220.31.0128.220.32.0128.220.33.0128.220.34.0128.220.35.0128.220.36.0128.220.37.0128.220.38.0128.220.39.0128.220.40.0128.220.41.0128.220.42.0128.220.43.0128.220.44.0128.220.45.0128.220.46.0128.220.47.0128.220.48.0128.220.49.0128.220.50.0128.220.51.0128.220.52.0128.220.53.0128.220.54.0128.220.55.0128.220.56.0128.220.57.0128.220.58.0128.220.59.0128.220.60.0128.220.61.0128.220.62.0128.220.63.0128.220.64.0128.220.65.0128.220.66.0128.220.67.0128.220.68.0128.220.69.0128.220.70.0128.220.71.0128.220.72.0128.220.73.0128.220.74.0128.220.75.0128.220.76.0128.220.77.0128.220.78.0128.220.79.0128.220.80.0128.220.81.0128.220.82.0128.220.83.0128.220.84.0128.220.85.0128.220.86.0128.220.87.0128.220.88.0128.220.89.0128.220.90.0128.220.91.0128.220.92.0128.220.93.0128.220.94.0128.220.95.0128.220.96.0128.220.97.0128.220.98.0128.220.99.0128.220.100.0128.220.101.0128.220.102.0128.220.103.0128.220.104.0128.220.105.0128.220.106.0128.220.107.0128.220.108.0128.220.109.0128.220.110.0128.220.111.0128.220.112.0128.220.113.0128.220.114.0128.220.115.0128.220.116.0128.220.117.0128.220.118.0128.220.119.0128.220.120.0128.220.121.0128.220.122.0128.220.123.0128.220.124.0128.220.125.0128.220.126.0128.220.127.0128.220.128.0128.220.129.0128.220.130.0128.220.131.0128.220.132.0128.220.133.0128.220.134.0128.220.135.0128.220.136.0128.220.137.0128.220.138.0128.220.139.0128.220.140.0128.220.141.0128.220.142.0128.220.143.0128.220.144.0128.220.145.0128.220.146.0128.220.147.0128.220.148.0128.220.149.0128.220.150.0128.220.151.0128.220.152.0128.220.153.0128.220.154.0128.220.155.0128.220.156.0128.220.157.0128.220.158.0128.220.159.0128.220.160.0128.220.161.0128.220.162.0128.220.163.0128.220.164.0128.220.165.0128.220.166.0128.220.167.0128.220.168.0128.220.169.0128.220.170.0128.220.171.0128.220.172.0128.220.173.0128.220.174.0128.220.175.0128.220.176.0128.220.177.0128.220.178.0128.220.179.0128.220.180.0128.220.181.0128.220.182.0128.220.183.0128.220.184.0128.220.185.0128.220.186.0128.220.187.0128.220.188.0128.220.189.0128.220.190.0128.220.191.0128.220.192.0128.220.193.0128.220.194.0128.220.195.0128.220.196.0128.220.197.0128.220.198.0128.220.199.0128.220.200.0128.220.201.0128.220.202.0128.220.203.0128.220.204.0128.220.205.0128.220.206.0128.220.207.0128.220.208.0128.220.209.0128.220.210.0128.220.211.0128.220.212.0128.220.213.0128.220.214.0128.220.215.0128.220.216.0128.220.217.0128.220.218.0128.220.219.0128.220.220.0128.220.221.0128.220.222.0128.220.223.0128.220.224.0128.220.225.0128.220.226.0128.220.227.0128.220.228.0128.220.229.0128.220.230.0128.220.231.0128.220.232.0128.220.233.0128.220.234.0128.220.235.0128.220.236.0128.220.237.0128.220.238.0128.220.239.0128.220.240.0128.220.241.0128.220.242.0128.220.243.0128.220.244.0128.220.245.0128.220.246.0128.220.247.0128.220.248.0128.220.249.0128.220.250.0128.220.251.0128.220.252.0128.220.253.0128.220.254.0128.220.255.0162.129.0.0162.129.1.0162.129.2.0162.129.3.0162.129.4.0162.129.5.0162.129.6.0162.129.7.0162.129.8.0162.129.9.0162.129.10.0162.129.11.0162.129.12.0162.129.13.0162.129.14.0162.129.15.0162.129.16.0162.129.17.0162.129.18.0162.129.19.0162.129.20.0162.129.21.0162.129.22.0162.129.23.0162.129.24.0162.129.25.0162.129.26.0162.129.27.0162.129.28.0162.129.29.0162.129.30.0162.129.31.0162.129.32.0162.129.33.0162.129.34.0162.129.35.0162.129.36.0162.129.37.0162.129.38.0162.129.39.0162.129.40.0162.129.41.0162.129.42.0162.129.43.0162.129.44.0162.129.45.0162.129.46.0162.129.47.0162.129.48.0162.129.49.0162.129.50.0162.129.51.0162.129.52.0162.129.53.0162.129.54.0162.129.55.0162.129.56.0162.129.57.0162.129.58.0162.129.59.0162.129.60.0162.129.61.0162.129.62.0162.129.63.0162.129.64.0162.129.65.0162.129.66.0162.129.67.0162.129.68.0162.129.69.0162.129.70.0162.129.71.0162.129.72.0162.129.73.0162.129.74.0162.129.75.0162.129.76.0162.129.77.0162.129.78.0162.129.79.0162.129.80.0162.129.81.0162.129.82.0162.129.83.0162.129.84.0162.129.85.0162.129.86.0162.129.87.0162.129.88.0162.129.89.0162.129.90.0162.129.91.0162.129.92.0162.129.93.0162.129.94.0162.129.95.0162.129.96.0162.129.97.0162.129.98.0162.129.99.0162.129.100.0162.129.101.0162.129.102.0162.129.103.0162.129.104.0162.129.105.0162.129.106.0162.129.107.0162.129.108.0162.129.109.0162.129.110.0162.129.111.0162.129.112.0162.129.113.0162.129.114.0162.129.115.0162.129.116.0162.129.117.0162.129.118.0162.129.119.0162.129.120.0162.129.121.0162.129.122.0162.129.123.0162.129.124.0162.129.125.0162.129.126.0162.129.127.0162.129.128.0162.129.129.0162.129.130.0162.129.131.0162.129.132.0162.129.133.0162.129.134.0162.129.135.0162.129.136.0162.129.137.0162.129.138.0162.129.139.0162.129.140.0162.129.141.0162.129.142.0162.129.143.0162.129.144.0162.129.145.0162.129.146.0162.129.147.0162.129.148.0162.129.149.0162.129.150.0162.129.151.0162.129.152.0162.129.153.0162.129.154.0162.129.155.0162.129.156.0162.129.157.0162.129.158.0162.129.159.0162.129.160.0162.129.161.0162.129.162.0162.129.163.0162.129.164.0162.129.165.0162.129.166.0162.129.167.0162.129.168.0162.129.169.0162.129.170.0162.129.171.0162.129.172.0162.129.173.0162.129.174.0162.129.175.0162.129.176.0162.129.177.0162.129.178.0162.129.179.0162.129.180.0162.129.181.0162.129.182.0162.129.183.0162.129.184.0162.129.185.0162.129.186.0162.129.187.0162.129.188.0162.129.189.0162.129.190.0162.129.191.0162.129.192.0162.129.193.0162.129.194.0162.129.195.0162.129.196.0162.129.197.0162.129.198.0162.129.199.0162.129.200.0162.129.201.0162.129.202.0162.129.203.0162.129.204.0162.129.205.0162.129.206.0162.129.207.0162.129.208.0162.129.209.0162.129.210.0162.129.211.0162.129.212.0162.129.213.0162.129.214.0162.129.215.0162.129.216.0162.129.217.0162.129.218.0162.129.219.0162.129.220.0162.129.221.0162.129.222.0162.129.223.0162.129.224.0162.129.225.0162.129.226.0162.129.227.0162.129.228.0162.129.229.0162.129.230.0162.129.231.0162.129.232.0162.129.233.0162.129.234.0162.129.235.0162.129.236.0162.129.237.0162.129.238.0162.129.239.0162.129.240.0162.129.241.0162.129.242.0162.129.243.0162.129.244.0162.129.245.0162.129.246.0162.129.247.0162.129.248.0162.129.249.0162.129.250.0162.129.251.0162.129.252.0162.129.253.0162.129.254.0162.129.255.0