AS1239 63.163.64.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204863.163.64.0/2463.163.65.0/2463.163.66.0/2463.163.67.0/2463.163.68.0/2463.163.69.0/2463.163.70.0/2463.163.71.0/24