AS4913 64.49.136.0/21 CIDR and IP Range Summary.ASN: 4913 - Speedcast Communications IncHost Count: 2046Addressable IPs: 204864.49.136.0/2464.49.137.0/2464.49.138.0/2464.49.139.0/2464.49.140.0/2464.49.141.0/2464.49.142.0/2464.49.143.0/24