AS1239 63.163.48.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204863.163.48.0/2463.163.49.0/2463.163.50.0/2463.163.51.0/2463.163.52.0/2463.163.53.0/2463.163.54.0/2463.163.55.0/24