AS1239 63.175.64.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204863.175.64.0/2463.175.65.0/2463.175.66.0/2463.175.67.0/2463.175.68.0/2463.175.69.0/2463.175.70.0/2463.175.71.0/24