AS4913 64.19.240.0/20 CIDR and IP Range Summary.ASN: 4913 - Speedcast Communications IncHost Count: 4094Addressable IPs: 409664.19.240.0/2464.19.241.0/2464.19.242.0/2464.19.243.0/2464.19.244.0/2464.19.245.0/2464.19.246.0/2464.19.247.0/2464.19.248.0/2464.19.249.0/2464.19.250.0/2464.19.251.0/2464.19.252.0/2464.19.253.0/2464.19.254.0/2464.19.255.0/24