AS1239 63.175.144.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204863.175.144.0/2463.175.145.0/2463.175.146.0/2463.175.147.0/2463.175.148.0/2463.175.149.0/2463.175.150.0/2463.175.151.0/24