AS1239 208.31.88.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048208.31.88.0/24208.31.89.0/24208.31.90.0/24208.31.91.0/24208.31.92.0/24208.31.93.0/24208.31.94.0/24208.31.95.0/24