AS1239 144.226.0.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048144.226.0.0/24144.226.1.0/24144.226.2.0/24144.226.3.0/24144.226.4.0/24144.226.5.0/24144.226.6.0/24144.226.7.0/24