AS1239 207.42.56.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048207.42.56.0/24207.42.57.0/24207.42.58.0/24207.42.59.0/24207.42.60.0/24207.42.61.0/24207.42.62.0/24207.42.63.0/24