AS1239 65.172.64.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204865.172.64.0/2465.172.65.0/2465.172.66.0/2465.172.67.0/2465.172.68.0/2465.172.69.0/2465.172.70.0/2465.172.71.0/24