AS1239 192.53.64.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048192.53.64.0/24192.53.65.0/24192.53.66.0/24192.53.67.0/24192.53.68.0/24192.53.69.0/24192.53.70.0/24192.53.71.0/24