AS4913 49.128.240.0/20 CIDR and IP Range Summary.ASN: 4913 - Speedcast Communications IncHost Count: 4094Addressable IPs: 409649.128.240.0/2449.128.241.0/2449.128.242.0/2449.128.243.0/2449.128.244.0/2449.128.245.0/2449.128.246.0/2449.128.247.0/2449.128.248.0/2449.128.249.0/2449.128.250.0/2449.128.251.0/2449.128.252.0/2449.128.253.0/2449.128.254.0/2449.128.255.0/24