AS1239 204.248.144.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048204.248.144.0/24204.248.145.0/24204.248.146.0/24204.248.147.0/24204.248.148.0/24204.248.149.0/24204.248.150.0/24204.248.151.0/24