AS1239 206.231.64.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048206.231.64.0/24206.231.65.0/24206.231.66.0/24206.231.67.0/24206.231.68.0/24206.231.69.0/24206.231.70.0/24206.231.71.0/24