Organization National Institutes of Health Country Allocation Count 1 Total IP Ranges 53 United States of America: 53 128.231.0.0/16137.187.0.0/16156.40.0.0/19156.40.32.0/20156.40.48.0/22156.40.52.0/24156.40.54.0/23156.40.56.0/21156.40.64.0/20156.40.80.0/21156.40.88.0/22156.40.92.0/24156.40.96.0/23156.40.100.0/22156.40.104.0/21156.40.112.0/20156.40.128.0/18156.40.192.0/22156.40.196.0/24156.40.198.0/23156.40.200.0/21156.40.208.0/20156.40.224.0/19157.98.0.0/16162.99.224.0/19165.112.0.0/22165.112.4.0/23165.112.12.0/22165.112.16.0/20165.112.36.0/22165.112.40.0/21165.112.48.0/20165.112.64.0/19165.112.96.0/20165.112.112.0/21165.112.120.0/22165.112.126.0/24165.112.128.0/21165.112.136.0/22165.112.141.0/24165.112.142.0/23165.112.144.0/20165.112.160.0/19165.112.192.0/23165.112.196.0/22165.112.204.0/22165.112.208.0/20165.112.224.0/20165.112.240.0/21165.112.248.0/22165.112.254.0/23192.231.145.0/24192.231.146.0/23