AS1239 63.172.232.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204863.172.232.0/2463.172.233.0/2463.172.234.0/2463.172.235.0/2463.172.236.0/2463.172.237.0/2463.172.238.0/2463.172.239.0/24