AS1239 63.168.144.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204863.168.144.0/2463.168.145.0/2463.168.146.0/2463.168.147.0/2463.168.148.0/2463.168.149.0/2463.168.150.0/2463.168.151.0/24