AS1239 65.172.40.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204865.172.40.0/2465.172.41.0/2465.172.42.0/2465.172.43.0/2465.172.44.0/2465.172.45.0/2465.172.46.0/2465.172.47.0/24