AS1239 208.31.208.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048208.31.208.0/24208.31.209.0/24208.31.210.0/24208.31.211.0/24208.31.212.0/24208.31.213.0/24208.31.214.0/24208.31.215.0/24