AS1239 65.172.144.0/20 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 4094Addressable IPs: 409665.172.144.0/2465.172.145.0/2465.172.146.0/2465.172.147.0/2465.172.148.0/2465.172.149.0/2465.172.150.0/2465.172.151.0/2465.172.152.0/2465.172.153.0/2465.172.154.0/2465.172.155.0/2465.172.156.0/2465.172.157.0/2465.172.158.0/2465.172.159.0/24