AS1239 206.228.144.0/20 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 4094Addressable IPs: 4096206.228.144.0/24206.228.145.0/24206.228.146.0/24206.228.147.0/24206.228.148.0/24206.228.149.0/24206.228.150.0/24206.228.151.0/24206.228.152.0/24206.228.153.0/24206.228.154.0/24206.228.155.0/24206.228.156.0/24206.228.157.0/24206.228.158.0/24206.228.159.0/24