AS6400 190.166.72.0/21 CIDR and IP Range Summary.ASN: 6400 - Latin American and Caribbean IP Address Regional RegistryHost Count: 2046Addressable IPs: 2048190.166.72.0/24190.166.73.0/24190.166.74.0/24190.166.75.0/24190.166.76.0/24190.166.77.0/24190.166.78.0/24190.166.79.0/24