AS1239 207.15.72.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048207.15.72.0/24207.15.73.0/24207.15.74.0/24207.15.75.0/24207.15.76.0/24207.15.77.0/24207.15.78.0/24207.15.79.0/24