AS1239 208.31.0.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048208.31.0.0/24208.31.1.0/24208.31.2.0/24208.31.3.0/24208.31.4.0/24208.31.5.0/24208.31.6.0/24208.31.7.0/24