AS1239 204.181.144.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048204.181.144.0/24204.181.145.0/24204.181.146.0/24204.181.147.0/24204.181.148.0/24204.181.149.0/24204.181.150.0/24204.181.151.0/24