AS1239 65.172.16.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 204865.172.16.0/2465.172.17.0/2465.172.18.0/2465.172.19.0/2465.172.20.0/2465.172.21.0/2465.172.22.0/2465.172.23.0/24