AS1239 63.173.48.0/20 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 4094Addressable IPs: 409663.173.48.0/2463.173.49.0/2463.173.50.0/2463.173.51.0/2463.173.52.0/2463.173.53.0/2463.173.54.0/2463.173.55.0/2463.173.56.0/2463.173.57.0/2463.173.58.0/2463.173.59.0/2463.173.60.0/2463.173.61.0/2463.173.62.0/2463.173.63.0/24