AS1239 204.120.136.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048204.120.136.0/24204.120.137.0/24204.120.138.0/24204.120.139.0/24204.120.140.0/24204.120.141.0/24204.120.142.0/24204.120.143.0/24